in the given figure ABCD is a rectangle diagonals AC and BD intersect at O and angle ∠AOB equal to 60 degree find the measure of ∠ OAD. its urgent
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Answer:
30°
Step-by-step explanation:
OAD=ODA ( equation 1 )
AOD+AOB=180° ( linear angle )
AOD=180°-60°
AOD=120°
OAD+ODA+AOD=180°( angle sum property of a triangle )
2OAD=180°-120° ( by equation 1 )
OAD=60°/2
OAD=30°
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