Length of fence of a trapezium shaped field ABCD is 120 m. If BC = 48m, CD = 17m and AD = 40m, find the area of this field. Slide AB is perpendicular to the parallel sides AD and BC.
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Answer:
Perimeter =120 m.
48+17+40+x=120
x=15 m.
Area =
2
1
(sum of parallel sides) × height
=
2
1
(48+40)×15
=660 m²
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