[" 20.An equilateral triangle of side "9cm" is inscribed in "],[" a circle.Find the radius of the circle."]

An equilateral triangle of side 9 cm is inscribed in a circle. Find the radius of the circle.

An equilateral triangle of side 6 cm is inscribed in a circle. Then radius of the circle is

An equilateral triangle with side 12 is inscribed in a circle . Find the shaded area .

Using ruler and compasses only, draw an equilateral triangle of side 5 cm. Draw its inscribed circle. Measure the radius of the circle.

Using ruler and compasses only, draw an equilateral triangle of side 4.5 cm and draw its inscribed circle. Measure the radius of the circle.

An equilateral triangle is inscribed in a circle of radius 6cm. Find its side.

An equilateral triangle is inscribed in a circle of radius 6cm. Find its side.

An equilateral triangle with a perimeter of 12 is inscribed in a circle. What is the area of circle?

A circle is inscribed in a square. An equilateral triangle of side 4sqrt(3) cm is inscribed in that circle. The length of the diagonal of the square (in centimetres) is

In an equilateral triangle of side 24cm, a circle is inscribed touching its sides.Find the area of the remaining portion of the triangle ( Take sqrt(3)=1.732)