Please help! To the nearest hundredth, what is the value of m?

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asked Jun 27, 2021 37.8k views

5 votes

Please help! To the nearest hundredth, what is the value of m?

Mathematics
middle-school

Alejandro Moreno asked

by Alejandro Moreno

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2 Answers

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30-60-90 triangle
find the smallest side 15:2 = 7.5
7.5squareroot3 = 12.99

CopperMan answered Jun 30, 2021

by CopperMan

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6 votes

Answer:

m = 12.99

Explanation:

cos30° = m/15

√3/2 = m/15

2m = 15√3

m = 15√3/2

m = 15·1.73/2

m = 25.95/2

m = 12.99

Maurice Lam answered Jul 2, 2021

by Maurice Lam

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