The answer is 221,448,757.5
Remember to use PEMDAS
14) 6.20
16) 9.1
I hope that helps cuz
Answer:

Step-by-step explanation:
From the isosceles-base theorem, the measure of the angles adjacent to the pair of congruent sides of the triangle are equal. Since the problem declares
, the remaining unknown angles are equal (
). The sum of the interior angles of a triangle always add up to
.
Therefore:
.