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Find the length of the diagonal of a quadrilateral whose area is 195 sq. m and the lengths of the
perpendiculars to this diagonal from vertices are 9 m and 10.5 m respectively.
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Hence the lenght of the diagonal will be 20.
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Answer:
20 will be the correct answer....
Step-by-step explanation:
formula to calculate area of quadrilateral is 1/2×d(H1+H2)
The area of quadrilateral is 195cm²
The length of perpendicular heights are 9m and 10.5m
The area of quadrilateral is given by
1/2×d×(h1+h2)
)
where d is length of diagonal
h1=9;h2 =10.5
so the correct answer is 20
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