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Find the area of a quadrilateral …

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Find the area of a quadrilateral ABCD in which AB=3cm.,bc= 4cm,cd=4cm,da=5cm ad ac=5cm ?

Posted by Nikki Khdakwalia 8 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Kashish Singhwaiya 8 years, 6 months ago

We divide the quadrilateral in To triangles ABC and ACD Area of triangle ABC + ACD First we find ABC s=3+4+5/2=12/2=6 √s(s-a)(s-b)(s-c) √6(6-3)(6-4)(6-5) √6×3×2×1 √6×3×2 √2×3×3×2 2×3=6 Then ACD 5+5+4/2=14/2=7 √7(7-5)(7-5)(7-4) √7×2×2×3 4√21 6+4√21 10√21 10×4.582=45.82

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Posted by Sheikh Alfaz 5 months, 1 week ago

CBSE > Class 09 > Mathematics

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3√2×4√2×12√32

Posted by Manas Khurana 10 months, 1 week ago

CBSE > Class 09 > Mathematics

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Posted by Yash Pandey 9 months, 3 weeks ago

CBSE > Class 09 > Mathematics