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In a trapezium ABCD, AB and DC are paral...

In a trapezium ABCD, AB and DC are parallel sides and `angle ADC = 90^@`,if AB = 15 cm, CD = 40 cm and diagonal AC = 41 cm. Then the area of the trapezium ABCD is
एक समलंब में AB और DC समांतर किनारे है और `angle ADC = 90^@` है । यदि AB = 15 से.मी., CD = 40 से.मी. और विकर्ण AC = 41 से.मी. है, तो उस समलंब ABCD का क्षेत्रफल बताइए ।

A

`245 cm^(2)`

B

`240 cm^(2)`

C

`247.5 cm^(2)`

D

`250 cm^(2)`

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The correct Answer is:
C
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