class 8 mensuration ex 20 B find the length and perimeter of a rectangle whose area is 120 cm square and breadth is 8 cm
Answers
Answered by
0
area = l x b
l = area/ b
l = 120/8 = 15
perimeter = 2(l+b)
= 2(15+8)
= 2(23)
= 46
Similar questions