Question

Find the perimeter of a rectangle whose one side measures 20m and the diagonal is 29m . Solution this answer is 82m.

Answer 1

p= 2(l+b) l=20m (a)sq=(29)sq-(20)sq (a)sq=9*49
(a)=3*7 a=21m
l=20 m, b=21
p=2(20+21)=82m

Answer 2

Answer:

82m.

Step-by-step explanation:

First use the Pythagoras Theron then, find the perimeter.