Question

One of the diagonals of a rectangle is 20 cm long. If the difference between
its length and width is 4 cm, find the area of the rectangle.

Answer 1

Answer: A=78.38cm²

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

We have,

Length of rectangle =20cm.

Width of rectangle =6cm.

Then,

Diagonal of rectangle

D=

Width

2

+Length

2

D=

20

2

+6

2

D=

400+36

D=

436

D=2

109

Hence, this is the answer.