Question

Q-1 Find the value of the unknown exterior angle x in the following diagram:

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Answer 1

Answer:

In 1st diagram,

x°= 50°+50°{Exterior Angle property of triangle}

x°=100°

in seconds figure,

x°+90°=125°{Exterior Angle property of triangle}

x°=125°-90°

x° = 35°°