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a). E is the midpoint so CE = EB = 3 cm
in ∆ABE angle ABE = 90 as it is a rectangle
so area = 1/2 × 14×3 = 21 cm^2
b). Now F is the mid point
so. area ∆ABF = ∆BEF = 1/2 ∆ABE
area∆ABF = 1/2 × 21 = 10.5 cm^2
c). ratio = 10.5/ ( 6×14)
= 1 /8 = 1:8
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