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The interior angles formed by the sides of a pentagon have measures that sum to 540°. What is the measure of angle B?
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The interior angles formed by the sides of a pentagon have measures that sum to 540°. What is the measure of angle B?

The interior angles formed by the sides of a pentagon have measures that sum to 540°. What-example-1
User Seiya Su
by
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2 Answers

3 votes

Just took the test. 130° is not correct. The corrrect answer is 110°.

User Konrad Lindenbach
by
5.9k points
5 votes
x - 35 +130 + x - 5 + x - 30 + 75 = 540
3x +135 = 540
3x = 405
x= 405/3
x= 135

m<B = x - 5
m<B = 135 - 5
m<B = 130

User Abdelrahman Magraby
by
5.7k points
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