8. Find the area of the quadrilateral with the
given measurements of the diagonal and heq
A d = 10 crn, h = 4 cm, h - 7 crn
B. d = 25 cm, h = 85 cm, h = 55 cm
c d = 5.6 m, h - 65 m, h - 4 m
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Answer:
a) 1/2 × 10 ×[4+7]
= 5×11
= 55 cm^2
b) 1/2 × 25 ×(85+55)
= 1/2 × 25 ×140
= 24 × 70
= 1680 cm^2
c) 1/2 × 5.6 ×(65+4)
= 2.8 × 69
= 193.2 cm^2
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