daniel1480
30.01.2020 •
Mathematics
Two opposing sides of a steep roof on an a-frame cabin form a 32 degree angle at the top. the cabin is an isosceles triangle. if both sides of the roof continue all the way to the ground, what angle will each side of the roof meet the ground at outside the cabin?
a. 53 degrees
b. 74 degrees
c. 106 degrees
d. 122 degrees
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Ответ:
So the other two interior angles are:
α = ( 180° - 32° ): 2 = 148° : 2 = 74°
Angle that each side of the roof meet the ground at outside the cabin is an exterior angle:
180° - 74° = 106°
C ) 106 degrees
Ответ:
1. 4 inches
2. 5 inches
3. 8 inches
Step-by-step explanation:
The heights are labelled.