niyyyareligion
13.03.2021 •
Mathematics
. Part A. A triangle has side lengths of 13, 9, and 5. Is this triangle a right triangle? * 1 point Yes No 6. Part B. Explain your answer above. 1 point A. 13^2 + 9^2 ≠ 5^2 B. 5^2 + 9^2 = 13^2 C. 5^2 + 9^2 ≠ 13^2 D. 13^2 + 9^2 = 5^2
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Ответ:
Part A: No
Part B: C.) 5^2 + 9^2 ≠ 13^2
Ответ:
m --> 2a = pi.r²
2*9pi = pi.r²
18pi = pi.r²
r² = 18
m = pi.r²
m = 18pi