We have seen how we can draw a series of right triangles as in the picture.
How mulch more is the perimeter of the `10^th` triangle than the perimeter of the ninth triangle?
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We have seen how we can draw a series of right triangles as in the picture. What are the lengths of the sides of the tenth triangle? .

We have seen how we can draw a series of right triangles as in the picture. How do we write in algebra, the difference in perimeter of the nth triangle to that of the triangle just before it? .

Calculate the perimeter and area of the triangle in the picture.

Calculate.the perimeter and area of the triangle in the picture.

The picture shows an equilateral triangle cut into halves by a line through a vertex. How much less than the perimeter of the whole triangle is this? .

In the picture below, the lines parallel to each side of the blue triangle through the opposite vertex are drawn to make the big triangle. How many triangles in the picture have the same area as that of the blue triangle? How many of them have the same measures of the blue triangle?

AB, BC and AC are the tangents of the circle. If AR = 5cm, BP = 4cm and BC 10cm, find the perimeter of the triangle.

In the picture a triangle is formed by two mutually perpendicular tangents to a circle and a third tangent. Prove that the perimeter of the triangle is equal to the diameter of the circle.

Anup made a triangle with three sticks of length 4 centimeters each. What is the perimeter of this triangle? How do you do it?

Draw a tiangle specified below, perimeter 10 cm. Equilatral triangle.