35cm2
65cm2
70cm2
140cm2
Correct answer is C
A△ = 12 x 8 x h = 20
= 12 x 8 x h = 4h
h = 204
= 5cm
A△(PQTS) = L x H
A△PQRT = A△QSR + A△PQTS
20 + 50 = 70cm2
ALTERNATIVE METHOD
A△PQRT = 12 x 5 x 28
= 70cm2
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