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What is the measure of angle AFE?
79°, 81°, 91°, 99°
Solution:
From the given figure, ∠BAF = 118° (∵180° - 62°), using linear pair angles
∠ABC = 136° → (180° - 44°)
∠BCD = 110° → (180° - 70°)
∠CDE = 120° → (180° - 60°)
∠DEF = 137° → (180° - 43°)
Let ∠AFE = x
ABCDEF is hexagon
Sum of all interior angles of polygon of n sides = 180° (n - 2)
⇒ 118° + 136° + 110° + 120° + 137° + x = 180°(6 - 2)
⇒ 621° + x = 720°
⇒ x = 720° - 621°
⇒ x = 99°
What is the measure of angle AFE?
Summary:
The measure of angle AFE in the given figure is 99°.
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