Question

Solve for the unknown value.

Answer 1

the answer is 77

Explanation:

the whole figure has to equal 180 degrees so:

add 61 + 42 which equals 103

so then what is added to 103 to get 180?

its 77

Answer 2

77

Explanation:

Every angle in a triangle adds up to 180 degrees. subtract 42 and 61 from 180 to get 77