If the side of a chess board is smaller than its perimeter by 21 cm, then find the side of the chess board.

If the side of a chess board is smaller than its perimeter by 21cm, then find the side of the chessboard.

Find the number of squares in chess board.

- A chess board of each side 34cm.find its perimeter

Find the side of a square notice board whose perimeter is 120 cm.

Number of rectangles on a chess board is

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.