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In a given trapezium ABCD, AB || CD. If C = 90° and D = 100°, then find the measure ofDAB and CBA |
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Answer» Answer: SINCE AB||CD Angle D + Angle DAB = 180° (corresponding angles) so, angle DAB is 80° similarly, angle C + angle CBA = 180° so, angle CBA is 90° |
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