Question

Find Area of a rectangle if the Breadthis9.5cm and Perimeter is 49cm

Answer 1

2 (l + b) = 49
2l +2b = 49
2l = 49- 19
l = 30/2 = 15

area = 15 * 9.5 = 142.5 cm^2


Its my 400th answers in MaThS

Answer 2

perimeter of rectangle = 2(l+b) = 2 (9.5+l) = 49
19 +2l = 49
l= 15cm
area of rectangle = l*b = 15*9.5 = 142.5 cm^2