Question

Find The Unknown Lettered Angle ​

Answer 1

Step-by-step explanation:

x+ 40+80= 180 [sum of the three sides of a triangle is 180]

x+ 120= 180

x= 180-120

x= 60

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Answer 2

Answer:

60°

Step-by-step explanation:

using property of triangle

the sum of all angles is 180 degree

.: 80°+40°+ X= 180

120+ X=180

X=180-120

X=60°

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