Question

the perimeter of a rectangle is 51cm. If the length is 15/2 times its breadth, find the length and breadth of a triangle
a. 22.5 & 3
b. 15 &10.5
c. 18 & 7.5
d. 20 & 5.5​

Answer 1

Answer:

a. 22.5 and 3.

Step-by-step explanation:

p= 2(l+b)

51 = 2 (b.15/2 + b)

51 = 17b

b= 3

and then Length will be 15/2 of 3 = 22.5