Question

The cross-section of a shed is a trapezium ABCD, where AB = 1.5m and BC = 3m . If the area ABCD is 4.35 sq m, find the length of AD​

Answer 1

Answer:

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Answer 2

Answer:

From the figure,Area of cross section=area of rectangle ABED+area of △DEC

=14×1.5+

2

1

×6.5×14=14×

2

3

+

2

1

×6.5×14

=21+7×6.5

=21+45.5

∴Area =66.5 m

2