The sides of a quadrilateral, taken in order, are 8, 8, 7 and 5 m respectively, and the angle contained by the first two sides is 60 degrees. Find its area.
A. 22.5 m2
B. 65 m2
C. 45 m²
D. 105 cm?
E. None of these
Answers
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Step-by-step explanation:
area is first base +2and base /2 ×height
=5+7/2×8m2
=48m2
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