in the figure ,find the value of angleBOC ,if points A,O and B are collinear.give reason
step by step explanation
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Answer:
∆BOC = 37°
Step-by-step explanation:
Point A O B are collinear
so, sum of three angels will be 180°
(x - 10) + (3x + 25) + (x + 5) = 180°
x - 10 + 3x + 25 + x + 5 = 180°
5x + 20 = 180°
5x = 180 - 20
5x = 160°
x = 160 / 5
x = 32°
∆BOC = x + 5°
∆BOC = 32° + 5°
∆BOC = 37°
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