A traffic signal board, indicating ‘SCHOOL AHEAD’, is an equilateral triangle with side ‘a’.

A traffic signal board, indicating 'SCHOOL AHEAD' , is an equilateral triangle with side a. Find the area of the signal board, using Heron's formula. If its perimeter is 180 cm, what will be the area of the signal board?

A traffic signal board,indicating SCHOOL AHEAD,is an equilateral triangle with side a. Find the area of the signal board,using Herons formula.If its perimeter is 180cm what will be the area of the signal board?

A traffic signal board,indicating SCHOOL AHEAD,is an equilateral triangle with side a. Find the area of the signal board,using Herons formula.If its perimeter is 180cm what will be the area of the signal board?

A sign board indicating SCHOOL ZONE is in the form of an equilateral triangle with perimeter 120cm. Find the length of the side of the equilateral triangle.

Find the inradius of equilateral triangle with side 6cm.

Construct an equilateral triangle ABC of side 6cm.

What is the area of an equilateral triangle with side 2cm?

Area of equilateral triangle of side "a" unit is

Find the perimeter of an equilateral triangle with side 9cm.

Find the perimeter of an equilateral triangle with side 8 cm.