Math, asked by niharika8071, 8 months ago

find the area ( Hint : answer is 390 cm ^ 2

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Answers

Answered by arpita6698

1

Answer:

390cm²

Step-by-step explanation:

join BD

Area of triangle DCB=1/2×40×9

=180

area of triangle ADB=1/2×28×15

=210

now by adding both

Area of ABCD=180+210=390

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