the area of a blackboard is 24cmsquare and its lenghth is 8m.what is the perimeter of the blackboard?

Question

area  of a blackboard is 24m and its lenghth is 8m.what is the perimeter of the black board?

Answer 1

L x W = 24 sq m

L = 8 m (not 8 cm one presumes)

8W = 24 m

W = 3 m

Perimeter = 2L + 2W = 16 + 6

Perimeter = 22 m