Question

What is the Answer for it​

Answer 1

Given -

• Angle BOC = 50°
• OB is Perpendicular to OA.

Answer -

• Angle AOB = 90° (Given Point 2)

$aob = boc + coa \\ 90 = 50 + coa \\ coa \: = 90 - 50 \\ coa = 40$

• Angle COA = 40°

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• DOC is a Straight Line
• 180° = Angle COA + Angle AOD ( Supplementary Angles or Linear Pair)

$180 = coa + aod \\ 180 - coa = aod \\ 180 - 40 = aod \\ aod = 140$

• Angle AOD = 140°

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Final Answer :-

---------> Angle AOD = 140°

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I hope This Helps !

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