Hope this helps.you can use this one to finish the other problems you need to divide in French
Please look up and apply Heron's Formula. Start by calculating s, where
a + b + c
s = -------------------
2
Then calculate A:
A = sqrt[ s(s-a)(s-b)(s-c) ]
Go to photo math or cy math it will tell you the answer straight up
The correct answer would be -1/4. I am sorry that is not one of the choice but by doing the math correctly, -1/4 is the correct answer.
Answer:
2700
Step-by-step explanation:
the formula is pi r squared, so if r is 30(diameter/2),
and 2700 is the closest to the answer
