Question

Find the value of the unknown exterior angle x in the following figures: ​

Answer 1

Answer:1)x=120 degree(2)100°=x(3)140°=yStep-by-step explanation:1)x+60°=180° then,x=180°-60° then,x=120° solve the other sum like wise

Answer 2

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In Fig. 1 ↦ x=180°-60° = 120° ( x and 60° are forming a liner pair..)

2nd Wayy- x=60°+60° =120° ( An exterior angle of a triangle is equal to the sum of its two opposite non-adjacent interior angles. )

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In Fig. 2 ↦ x=60°+40°=100° (An exterior angle of a triangle is equal to the sum of its two opposite non-adjacent interior angles. )

Y ↦ 60°+80°=140° ( An exterior angle of a triangle is equal to the sum of its two opposite non-adjacent interior angles. )

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