Question

Ms.Perozo is decorating a square bulletin board. She used exactly 312 centimeters of checkered ribbon to create a border. Now he needs to cover the board with fabric . How many square centimeters of fabric will he need to use to cover the board?

Answer 1

Its a squere so divide 312 by 4=78

then tou can finsd the area 

so 78 x 78 = so 6084 cm


thanks hope this helps!:)