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Answer»

Step-by-step explanation:

AREA of TRIANGLE DEF = 1/2 × 6 × 10

DEF = 30 CM*2

CE = 18 - 10 = 8

area of triangle BCE = 1/2 × 8 × 10

BCE = 40 CM*2

Area of ABCD = Length × breadth

18 × 10 = 180 cm * 2

area of ABEF = 180 - 40 + 30

= 180 - 70

Area of ABEF = 110 CM*2



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