Find the area of the quadrilateral …
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Posted by Vidya Meshram 4 years, 3 months ago
- 1 answers
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Gaurav Seth 4 years, 3 months ago
area of quadrilateral ABCD= Area of triangle ABC + Area of triangle ADC
Area of trianlge= sqrt(s(s-a)(s-b)(s-c))
FOR area of triangle ABC
s=(7+6+9)/2=11
area of triangle ABC=sqrt(11(11-7)(11-6)(11-9))
=sqrt(440)
= 20.9761
similarly,
area of triangle ADC=54
therefore area of quadrilateral ABCD=20.9761+ 54
=74.9761
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