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In A=s^(2)-(s-2w)^(2), if w=1 m and s=6m...

In `A=s^(2)-(s-2w)^(2)`, if w=1 m and s=6m, then find `A("in" m^(2))`.

A

20

B

10

C

15

D

16

Text Solution

Verified by Experts

The correct Answer is:
A
`A=s^(2)-(s-2w)^(2)`
`rArrA=(6)^(2)-(6-2)^(2)=36-16=20m^(2)`
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