please answer the question
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Step-by-step explanation:
The total addition angles of quadrilateral =360
given
angleA=90 ,angleB=90
angleA+angleB+angleC+angleD=360
90+90 angleC+angleD = 360
angleC+angleD=360-180=180 (proved)
hope its help you.
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Answer:
we can draw a diagonal DB and we can show that the angles in linear pairs have their sum 180°
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