| Assertion (A): If a wire of length \[\text{22 cm}\] is bent in the shape of a circle, then area of the circle so formed is \[\text{40 c}{{\text{m}}^{2}}\]. |
| Reason (R): Circumference of the circle = length of the wire. |
A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A)
B) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A)
C) Assertion (A) is true but Reason (R) is false
D) Assertion (A) is false but Reason (R) is true
Correct Answer: D
Solution :
| [d] \[2\pi r=22\,\,\,\,\,\,\,\,\Rightarrow \,\,\,\,\,r=3.5cm\] |
| Area of the circle \[=\frac{22}{7}\times 3.5\times 3.5=38.5c{{m}^{2}}\] |
You need to login to perform this action.
You will be redirected in
3 sec
