In the quadrilateral ABCD, DA IAB and CB I AB. Prove that ZC + ZD = 180°
चतुर्भुज ABCD में, DA L AB और CB I AB है। सिद्ध कीजिए कि ZC + ZD = 180° है।
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Step-by-step explanation:
total angle in a quadrilateral =360
if za +zb = 90+90=180
so zc +zd = 360-180
zc+zd=180
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