What is the measure of angle A if the other angle of the given ? Name the plygon.
71 degree, 137 degree, 130 degree, 142 degree, A, 150 degree.
Answers
Answered by
1
Answer:
Step-by-step explanation:
ANSWER
As we know that,
Interior angle in a polygon =
n
(n−2)×180°
Whereas n is the no. of sides.
Since the given polygon have 7 sides, i.e.,
n=7
∴ Measure of interior angle =
7
(7−2)×180°
=
7
5×180°
=128°57
′
Similar questions