Question

find the perimeter of rectangle in the pic (ans 34)​

Answer 1

AD^2=

$13 ^{2} - 12 ^{2}$

169-144

25

AD=5m

2 (5+12)

2×17

34 sq m

Answer 2

width =√13^2-12^2=5 perimeter = 2×[12+5]=34