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Hunter-Best [27]
3 years ago
7

What is the measure of the greatest angle of a triangle if the side lengths are 21m, 23m, and 25m

Mathematics
1 answer:
docker41 [41]3 years ago
8 0
CosA=(21^2+23^2-25^2)/2*21*23
cosA=345/966
A=cos^-1(345/966)
A=69.08

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