Question

Q4
(1)
(2)
(3)
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Answer 1

i) area = 1/2 * 9+5 * 6

= 14*6/2 = 7*6 = 42 cm²

ii) area = 1/2 * 7.5+4.5 * 5

= 12*5/2 = 6*5 = 30 cm²

iii) area = 1/2 * 10+8 * 12

= 12*18/2 = 12*9 = 108 cm²

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Answer 2

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