Answer:
i think the answer is either E. or B. i'm not sure if i'm right but if someone can correct me if i'm wrong .
Step-by-step explanation:
16/21 is the correct answer
They intersect at a right angle
9 a
------ = -----
a 5
a^2 = 45
a = 3<span>√5
</span>
4 b
------ = -----
b 5
b^2 = 20
b = 2√5
answer:
a = 3√5
b = 2√5
hope it helps
Answer:
r = 18
Step-by-step explanation:
r -8 = 10
r -8 + 8 = 10 + 8
r = 18
