Question

Length of a in Image​

Answer 1

Answer:

A.10 B.13

Step-by-step explanation:

A)

By Pythagoras theorem

a²=8²+6²

a²=64+36

a²=100

a²=10²

a=10

B)

a²=12²+5²

a²=144+25

a²=169

a²=13²

a=13