Figures Speak Mathematics

Graphs of T- Functions

2011-02-08T19:09:00.004+05:30

y=tanx y=sinx

y= cosx

Area of right triangle

2010-10-10T13:10:00.001+05:30

What is area of a rectangle?
Its equal to length x breadth.
Can you guess, what would be the area of a right triangle?
Figure Speaks...

Triangles on the same base and between same parallels

2010-09-29T14:37:00.001+05:30

Triangles on the same base and between same parallels are equal in areas.

Polygons or Not?

2010-09-26T20:02:00.001+05:30

Quadrilaterals

2010-09-25T20:05:00.000+05:30

What is similar?

2010-09-24T20:07:00.001+05:30

What is similar in these two shapes?

Areas of parallelograms and triangles on the same base and between same parallels

2010-09-23T20:13:00.000+05:30

Parallelograms on the same base and between same parallel are equal in areas.

If a traingle and a parallelogram are on the same base and between same parallels then area of triangle is half the area of parallelogram.

Circumcentre in an acute triangle

2010-09-09T19:26:00.001+05:30

Circumcentre in an obtuse triangle

2010-09-08T19:28:00.000+05:30

Circumcentre in a right triangle

2010-09-07T19:29:00.000+05:30

Parallel lines and transversal

2010-07-17T12:24:00.002+05:30

Graph says

2010-05-24T09:08:00.002+05:30

Observe the graphs of

f(x) = 2x^2 + 3x+5

g(x) = 3x^2 + 3x+5

h(x)= 4x^2+3x+5

What do you say?

Coordinates of a point on the x-axis

2010-04-04T11:35:00.003+05:30

Observe the coordinates of points given on the x-axis. What do you think would be the coordinate of any point which is located on the x-axis?

Parallelograms on same base and between same parallels

2010-03-05T10:50:00.000+05:30

What do you say about areas of two parallelograms ADCB and ADFE?

Graph- A quadratic polynomial

2010-03-04T10:40:00.000+05:30

What do you notice in the given graph?

Sum of areas of sectors of equal radii cut at vertices of a triangle

2010-02-10T22:02:00.001+05:30

What do you analyse?

2010-02-05T09:05:00.000+05:30

Making of a Tangram

2010-01-31T17:25:00.000+05:30

A sphere

2009-06-19T17:33:00.000+05:30

Frustum of a cone

2009-06-18T17:30:00.002+05:30

Right circular cylinder

2009-06-17T17:28:00.000+05:30

Right circular cone

2009-06-16T17:32:00.000+05:30

Parallel lines

2009-05-14T09:30:00.004+05:30

Two parallel lines indicates the case of no solution of a pair of linear equations in two variables.

Coincident lines

2009-05-14T09:27:00.004+05:30

In case of two coincident lines , there are infinite many solutions of a given pair of linear equations in two variables.

Intersecting lines

2009-05-14T09:24:00.002+05:30

When two lines intersect , they meet at a common point which is the solution of given pair of linear equations in two variables.

Sum of first 7 odd natural numbers

2009-05-13T20:55:00.002+05:30

The sum of first 7 odd natural numbers is 7²

Movements

2009-02-10T08:18:00.004+05:30

Angles in alphabets

2009-01-27T19:28:00.003+05:30

Commutative property of whole numbers

2009-01-21T08:45:00.004+05:30

Commutativity over multiplication

Commutativity over addition
4+3

3+4

Fractions

2009-01-20T20:50:00.004+05:30

Play with Tangram Pieces

2008-12-14T21:45:00.006+05:30

Sum of interior angles of a triangle

2008-12-13T20:08:00.004+05:30

Types of angles

2008-10-19T21:38:00.004+05:30

Forming cylinders

2008-10-11T11:06:00.004+05:30

Always similar

2008-10-10T12:25:00.003+05:30

Pythagoras Theorem...3

2008-09-01T22:04:00.013+05:30

Pythagoras Theorem...4

2008-09-01T22:04:00.012+05:30

Pythagoras Theorem...5

2008-09-01T22:04:00.011+05:30

illusion

2008-08-22T08:50:00.002+05:30

What do you see??

Types of angles

2008-07-01T23:10:00.004+05:30

Which angle?

2008-06-30T22:40:00.001+05:30

Area and perimeter

2008-06-25T22:12:00.002+05:30

Dimension of a cuboid

2008-06-23T00:03:00.003+05:30

Dimension of a cuboid

2008-06-22T23:40:00.003+05:30

If one unit cube is added after every step...
What will be the dimension of the cuboid after 10th step?

What will be the dimension of the cuboid after 100th step?

Missing Unit Cubes

2008-06-20T20:55:00.001+05:30

Line illusion

2008-06-19T18:01:00.006+05:30

Intersecting lines illusion

2008-06-18T23:35:00.007+05:30

Observe the effect of new lines drawn on the given set of parallel lines

Shaded square illusion

2008-06-17T16:13:00.005+05:30

Parallelogram illusion

2008-06-16T22:06:00.004+05:30

Missing Cubes

2008-06-09T21:06:00.005+05:30

Zeroes of a polynomial

2008-04-16T19:09:00.007+05:30

The following graph is showing the graph of a polynomial which cuts x - axis at three points
A(-2,0) , B (0,0) and C(2,0). So, there are three zeros of this polynomial given by -2, 0 and 2.
The following is a graph of a polynomial which cuts x-axis at thwo points (0,0) and (1,0). So, there are two zeros of this polynomial given by 0 and 1.

Graph3 :Pair of linear equations in two variables

2008-03-29T22:48:00.003+05:30

Graph 2:Pair of linear equations in two variables

2008-03-29T22:46:00.003+05:30

Graph1 :pair of linear equations in two variables

2008-03-29T22:44:00.002+05:30

(a+b+c)^2

2007-12-09T12:53:00.002+05:30

(x+a)(x+b)

2007-12-08T10:44:00.002+05:30

Sum of first 10 natural numbers

2007-12-07T08:56:00.003+05:30

The sum of first 10 natural numbers is (10x11 )/2

Exploring Rhombus

2007-12-06T17:25:00.001+05:30

Exterior angles of a triangle

2007-12-05T18:49:00.001+05:30

Cyclic Quadrilateral

2007-12-04T15:27:00.001+05:30

Observe the sum of opposite angles of cyclic quadrilateral EBCD.

Triangle and a parallelogram on same base and between same parallels

2007-12-03T19:08:00.001+05:30

Parallelograms on the same base and between same parallels

2007-12-02T11:12:00.002+05:30

Perpendicular from centre to a chord

2007-12-01T23:25:00.001+05:30

Properties of a parallelogram

2007-11-10T14:22:00.002+05:30

Opposite angles of a parallelogram are always equal

Diagonals of a parallelogram bisect each other.

Pythagoras theorem...2

2007-11-06T12:04:00.000+05:30

Pythagoras theorem...1

2007-11-06T11:59:00.000+05:30

Square root spiral

2007-11-06T11:56:00.001+05:30

Observe the figure and write down the observations.

Vertices of a cube

2007-11-02T18:39:00.004+05:30

Observe the pink dots.

Properties of a rectangle

2007-11-02T18:39:00.003+05:30

Observe the opposite sides of a rectangle. Observe each angle.

Observe the diagonals.

Graph of line x =y

2007-11-01T21:14:00.002+05:30

The abscissa and ordinate of every ordered pair is same on x=y.
This line pass through origin.

Exterior angle Property of a triangle

2007-10-27T16:39:00.002+05:30

Exterior angle of a triangle is equal to the sum of two interior opposite angles.

Angle sum property of a quadrilateral

2007-10-27T16:30:00.002+05:30

The sum of measures of 4 angles of a quadrilateral is 360 degrees.

Angle sum property of a triangle

2007-10-27T16:01:00.002+05:30

The sum of three interior angles of a triangle is 180 degrees.

Angles subtended by an arc

2007-10-26T12:58:00.002+05:30

Angle subtended by an arc at the centre of a circle is twice the angle subtended by it at any other point on the remaining part of the circle.

Angles in the minor segment

2007-10-26T12:45:00.002+05:30

Angles in the minor segment are always obtuse.

Angles in the same segment

2007-10-26T12:20:00.002+05:30

Angles in the same segment are always equal.

Angles in the major segment

2007-10-26T12:17:00.002+05:30

The measure of angle in a major segment is always acute.

Angle in a semicircle

2007-10-24T19:18:00.003+05:30

Angle in a semicircle is a right angle.