Find the length of a diagonal of a quadrilateral whose area is 195 m² and the
lengths of the perpendiculars to the diagonal from opposite vertices are 8.5 m
and 11 m respectively.
13 m
Answers
Answered by
14
Answer:
20
Step-by-step explanation:
The area of quadrilateral is 195cm²
The length of perpendicular heights are 8.5 and
11
The area of quadrilateral is given by 1/2 × d × ( h1 × h2 )
Where d is length of diagonal
h1 = 8.5 ; h2 = 11
= 195 = 1/2 × d × 19.5
10 = 1/2 × d
d = 2 × 10
d = 20
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