- A43
- B96
- C48
- D53
Step-by-Step Solution
Exterior angle 118 = sum of two interior opposite angles = 70 + (other). Other = 118 - 70 = 48°.
Answer: C) 48
A roof truss is shaped like a triangle. The ground beam (base) is extended past one corner, making an exterior angle of 118° with the rafter there. The angle at the top vertex is 70°. What is the interior angle at the OTHER base corner (in degrees)?
Class 7Exterior Angle PropertyTriangles
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