Mensurationhard · Past Paper
Find the area of a quadrilateral ABCD where AB=7, BC=24, CD=20, DA=15 and angle ABC=90.
A234 sq. units
B250 sq. units
C300 sq. units
D210 sq. units
✓ Correct Answer: A — 234 sq. units
AC = sqrt(7^2+24^2)=25. Area ABC = 0.5*7*24 = 84. Area ADC using Heron (15,20,25) = 150. Total = 84+150=234.
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