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chloeertl chloeertl
  • 09-09-2016
  • Mathematics
Answered

B=? I can't do it. I need help

B=? I can t do it. I need help class=

Verified Answer :

Noah11012
Noah11012 Noah11012
  • 09-09-2016

Using the clues from the other equations, then the answer is b=90 degrees.

Explanation: See the left bottom equation on the polygon? The equation is (2b - 90)degs. But it looks like a right angle because it is! 
So b must equal to 90 degrees because 2(90) - 90 = 90 degrees.

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