Question

Can someone help me please

Answer 1

32

Explanation:

Side AD = 4

9-5=4

Side DC = 13

a^2+b^2=c^2

5^2+12^2=c^2

25+144=c^2

169=c^2

13=c

Side AC = 15

a^2+b^2=c^2

9^2+12^2=c^2

81+144=c^2

225=c^2

15=c