Answered

From beginner to expert, IDNLearn.com has answers for everyone. Ask any question and get a detailed, reliable answer from our community of experts.

what is the answer for this

What Is The Answer For This class=

Sagot :

Devishri1977idn

Answer:

∠B = 141

Step-by-step explanation:

n - > number of sides

n = 7

Sum of all interior angles = (n -2 ) * 180

                                         = 5 * 180 = 900

∠B + 148 + 90 + 142 +  130 + 129 + 120 = 900

∠B  + 759 = 900

∠B = 900 - 759 = 141