The numbers 1,4, 8 on a clock’s face are joined to make a triangle.
Calculate the angles of this triangle. How many equilateral triangles can we make by joining numbers on the clock’s face?

How many Triangles can be formed by joining 12 points, 4 of which are collinear.

Out of 18 points in a plane, no three are in the same line except 5 points which are collinear How many triangles can be formed by joining the given points.

Write the sequence of the perimeters of the equilateral triangles having sides 1cm,2cm,4cm. Write the sequence of sum of angles.

In this picture,the mid pointsof the sides of the large triangle are joined to make a small triangle inside. Calculate the coordinates of the vertices of the large triangle.

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?

Angles of 50^circ and 65^circ are drawn at the end of a 5 cm long line, to make a triangle. Calculate its area.

A rope of length 8.4 metres is cut into 0.4 metre long pieces. How many pieces can we make?

How many odd numbers from 1 makes the sum 961?

The end points of one side of an equilateral triangle are -2 and 4 on the number line. Find the area and perimeter of this triangle.

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.