Acellus Find the indicated side of the triangle. b a 30° 12 12 [?] a Enter

Fedor Losev asked Sep 22, 2022

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17 votes

Acellus

Find the indicated side of the
triangle.
b
a
30°
12
12
[?]
a
Enter

Fedor Losev asked Sep 22, 2022

2.9k points

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17 votes

Answer:

a =
(12)/(√(3) )

Explanation:

Using the tangent ratio in the right triangle and the exact value

tan30° =
(1)/(√(3) ) , then

tan30° =
(opposite)/(adjacent) =
(a)/(12) =
(1)/(√(3) ) ( cross- multiply )

a ×
√(3) = 12 ( divide both sides by
√(3) )

a =
(12)/(√(3) )

Grig answered Sep 26, 2022

by Grig

2.9k points

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