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

Fedor Losev asked Sep 22, 2022

272,471 views

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

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

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

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers