Question

find the length and breadth of a rectangle length is equal to 5 x + 4 equal to x - 4 if its perimeter is 72​

Answer 1

Answer:

2{(5x + 4)+(x-4)} = 72

2( 5x + x + 4 - 4) = 72

2(6x) = 72

12x = 72

x = 72/12

x = 6

Length of rectangle = 5(6) + 4

30 + 4 = 34cm

B = 6 - 4 = 2cm