value of unknown angle
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Answer:
64⁰
Explanation:
External Angles are 89⁰, 92⁰, 20⁰, 85⁰, and x⁰
Sum of external angles = 360⁰
89⁰ + 92⁰ + 20⁰ + 85⁰ + x⁰ = 360⁰
296⁰ + x⁰ = 360⁰
x⁰ = 360⁰ - 296⁰
x⁰ = 64⁰
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