Answer:
ans:- B and E
Step-by-step explanation:
![\pi \: r {}^{2}](https://tex.z-dn.net/?f=%5Cpi%20%5C%3A%20r%20%20%7B%7D%5E%7B2%7D%20)
so pie into 1×1
Answer: Read the explanation
Step-by-step explanation: (27+32)^2 does NOT equal 45^2, which means its not a right triangle.
(9+40)^2 DOES equals 41^2. Therefor making it a right triangle
The answer is 9. You can figure this out by dividing 45 by 5. Use fact families to solve this type of problem.
Hope that answered your question.