Question

Can you explain to me how to find this ? Thank you !

Answer 1

Explanation:

with the use of Pythagoras theorem you can find each side of one triangle

I hope this helps!

Answer 2

perimeter = 4 x 17 = 68

AC = 2 x √17²-8² = 2 x 15 = 30

Explanation:

AC bisect AC at right angle, ABCD is a rhombus

AB = BC = CD = DA

perimeter = 4 x 17 = 68

AC = 2 x √17²-8² = 2 x 15 = 30