Question

A+B=10,B=8 SO A² + B² =?

Answer 1

Answer:

68

Step-by-step explanation:

A+B=10. .........(1)

B=8 put in equation (1)

we get, A+8=10

A=10-8

A=2

now we have, A²+B²=2²+8²=4+64=68