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Find cos(a) in the triangle. Choose 1 answer: 21 А. 21/29 B. 20/29 C. 20/21 D. 21/20

Find cos(a) in the triangle. Choose 1 answer: 21 А. 21/29 B. 20/29 C. 20/21 D. 21/20
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3 votes
Find cos(a) in the triangle.

Choose 1 answer:
21
А. 21/29
B. 20/29
C. 20/21
D. 21/20

Find cos(a) in the triangle. Choose 1 answer: 21 А. 21/29 B. 20/29 C. 20/21 D. 21/20-example-1
User Purag
by
7.9k points

1 Answer

3 votes


{\huge{\boxed{\mathcal{\green{ANSWER}}}}} \\ cos( \alpha ) = base / hypotenuse \\ \\ base \: = \: 21 \\ \\ hypotenuse = 29 \\ \\ cos( \alpha ) = 21 / 29 \\ \\ {\huge{\boxed{\mathfrak{\red{hope \: it \: helps \: }}}}}

User Dnatoli
by
8.5k points
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