Answer:
Step-by-step explanation:
Answer:
E. C. D
Step-by-step explanation:
Thoae are the corrwct ones, hope ir helpa :)
(A) is the correct answer choice:)

Since we know that all angles in a triangle add up to
, we can solve for
and substitute it back into
to find
.

Remove the parentheses and combine like terms.

Add
to both sides of the equation.

Divide both sides of the equation by
.

Now that we have the value of
, we can substitute it back into
to find
.
