Question

C
D
FS
6.2 cm
5. In the parallelogram ABCD, AB = 12 cm,
AD = 8 cm and CE = 6.2 cm. Find
a. the area of the parallelogram
b. the length BF
E
B
A
12 cm​

Answer 1

Answer:

ABCD is a parallelogram.

CD∥AB

∴ CD∥AE [ Extended part of parallel side ]

⇒ Area of parallelogram ABCD=AB×CE [ Since, CE situated between same parallel lines ]

=12×6.2

=744cm

2

---- ( 1 )

⇒ Area of a parallelogram ABCD=AD×BF

=8×BF ----- ( 2 )

Comparing ( 1 ) and ( 2 ) we get,

⇒ 8×BF=744

⇒ BF=

8

744

=93cm

∴ The area of parallelogram ABCD is 744cm

2

and the length of BF is 93cm.

Step-by-step explanation:

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