Question

Find the perimeter of this shape.

Answer 1

the perimeter of this shape is

24+10+10+30+
`\sqrt{30^(2) -24^(2) }` = 92 cm

Answer 2

draw a line that makes a triangle and rectangle.

hypotenuse= 30

3k-4k-5k triangle

18-24-30

so the short part of triangle is 18 cm

10+10+18+24+30 equals 92

sorry for language I am not familiar with English