99º, because the sum of all 4 of the interior angles of the parallelogram must be 360º. We know that if one angle measures 81º the other angle on the opposite side must measure 81º.. so 81+81=162
360-162=198
198 - 2(number of remaining angles) = 99º
Answer:
2 x 15 +7
Step-by-step explanation:
The answer is A it's not that hard they just use commutative to confuse you, you really just needed to multiply and that's it