The area of quadrilateral is 342 Sq. m .the perpendiculars from two opposite vertices to diagonal are 12m and 12m . What is length of the diagonal ?
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the formula of area of quadrilateral is 1/2*d(h1+h2)
here
h1 is 12
h2 is 12
d is unknown
so, substitute
1/2*d(12+12)=342
1/2*d(24)=342
24d=342*2
24d=384
d=384/24
d=28.5
here
h1 is 12
h2 is 12
d is unknown
so, substitute
1/2*d(12+12)=342
1/2*d(24)=342
24d=342*2
24d=384
d=384/24
d=28.5
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