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Answered by
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Answer:
5400 is the answer..............
Answered by
1
Answer:
Area of triangle AEF = 138 sq.units
Step-by-step explanation:
Given:
In rectangle ABCD:
AB = DC = 24 cm
AD = BC = 15 cm
In triangle ADF:
DF = 12cm
AD = 15 cm
In triangle EFC:
EC = 8cm
FC = DC - DF = 24 - 12 = 12 cm
In triangle ABE:
AB = 24 cm
BE = BC - BE = 15 - 8 = 7cm
Area of triangle AEF = Area of (rectangle ABCD - triangle ADF - triangle EFC - triangle ABE)
Area of rectangle ABCD = l × b sq.units = 24 × 15 = 360 sq.units
Area of triangle = 1/2 × b × h sq.units
Area of triangle ADF = 1/2 × 12 × 15 = 6 × 15 = 90 sq.units
Area of triangle EFC = 1/2 × 8 × 12 = 8 × 6 = 48 sq.units
Area of triangle ABE = 1/2 × 24 × 7 = 12 × 7 = 84 sq.units
Area of triangle AEF = 360 - 90 - 48 - 84 = 138 sq.units
Hope it helps you:)
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