The equation of a cricle passing through (h,h) and with radius r is

so
cente ris (-6,7) and passing through (4,-2)


subsitute (4,-2) to find r^2




so it is

A is the answer
They didn’t use a ruler I think they made their own materials from what they had. Also thank you.
399.6 square meters
7•8/2=28
28•3=84
8•6.9/2=27.6
(12•8)•3=288
84+27.6+288=399.6
Answer:
B
Step-by-step explanation:
I took the test
Answer:
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Step-by-step explanation:

Note that π is 180°