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Find the area of quadrilateral ABCD …

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Find the area of quadrilateral ABCD in which AB = 9 cm, BC 40 cm, DA 15 CM, CD 28 cm, and ? ABC=90•

Posted by Shivam Ranjan 8 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Sakshi Jain 8 years, 6 months ago

First we draw a diagonal AC . Then in right angled triangle ABC , we find area by 1/2 * base* height.. By using Pythagoras therom we find AC in triangle ABC Now using herons formula we find area of triangle ACD . Area(?ABC )+Area(?ACD)=Area(ABCD)

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CBSE > Class 09 > Mathematics