Question

The radius of a circular pond is 1.4m .the radius of another circular whose area is 1/4m of the area of this pond

Answer 1

here is your answer.

Answer 2

The radius of the another circular pond is 0.7 m.

Step-by-step explanation:

Given : The radius of a circular pond is 1.4 m. The radius of another circular whose area is 1/4m of the area of this pond.

To find : The radius of another pond?

Solution :

The radius of a circular pond is 1.4 m.

Th area of the circular pond is $A=\pi r^2$

$A_1=\pi\times 1.4^2$

$A_1=1.96\pi\ m^2$

The area of the another pond is $A_2=\pi R^2$

Another circular whose area is 1/4 m of the area of this pond.

i.e. $A_2=\frac{1}{4} A_1$

$\pi R^2=\frac{1}{4}\times 1.96 \pi$

$R^2=0.49$

$R=\sqrt{0.49}$

$R=0.7$

The radius of the another circular pond is 0.7 m.

#Learn more

The radius of a circular pond is 14 m . a circular stage is made at the center of the pond whose diameter is 14 m. what is area of water is present

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