Answer:
x = 120 degrees
Step-by-step explanation:
x is exterior angle
We know that exterior angle = sum of opposite interior angles, ie,
x = 90 + 30
Therefore,
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Answers & Comments
Answer:
x = 120 degrees
Step-by-step explanation:
x is exterior angle
We know that exterior angle = sum of opposite interior angles, ie,
x = 90 + 30
Therefore,
x = 120 degrees
Verified answer
in ∆ABC
let angleC be x
angle(A+B+C)=180°
30°+90°+x=180°
120°+x=180°
x=180°-120°
x=60°
Angle C =60°
angleC+x=180°
60°+x=180°
x=180-60°
x=120°
Step-by-step explanation:
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