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xxTIMURxx [149]
3 years ago
6

11. You are asked to put a V-shaped roof on a house. The slope of the roof is 53°. What is the measure of the angle needed at th

e vertex of the roof? (Hint: You are given the base angles, and you need to find the vertex angle.)
Mathematics
2 answers:
pochemuha3 years ago
7 0
X=missing angle

53(2)+x=180

106+x=180

180-106= 74

The vertex angle is 74. 
Anestetic [448]3 years ago
4 0
The question said that it told you the base angles. A roof would have two equal base angles. The base angles= 53

All the angles of a triangle each 180, (the roof is shaped like a triangle)

So, let's make x the missing angle.

53(2)+x=180

106+x=180

Subtract 106 on both sides.

180-106= 74

The vertex angle is 74.

I hope this helps!
~cupcake
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