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35 votes
35 votes
Find length of AC? Help please

Find length of AC? Help please-example-1
User PhiloEpisteme
by
3.3k points

2 Answers

12 votes
12 votes

Answer:

D

Explanation:

cos(theta) = B/H

cos(51)= AC/58

AC=36.5

User Kristal
by
2.2k points
21 votes
21 votes

Answer:

36.5 = AC

Explanation:

Since this is a right triangle, we can use trig functions

cos theta = adj side/ hypotenuse

cos A = AC / AB

cos 51 = AC /58

58 cos 51 = AC

36.50058 = AC

Rounding to the nearest tenth

36.5 = AC

User Neubert
by
3.2k points