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Q.

The area of two congruent circles with radii in is equal to:

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a

b

c

d

None of the above

answer is A.

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Detailed Solution

Concept: Congruent circles have the same radius, circumference, and area, which means they are the same size.

, where R is the circle's radius, is a formula we can use to determine the area of the circle. The congruent circle's area will then also be the same.
Congruent circles share the same radius, circumference, and area, which means they are the same size.
Congruent circles lie entirely on top of one another.
The area of the circle is the area that the circle encloses.

, where R is the circle's radius, is the formula for calculating the area of a circle.
When we use r cm to replace the value of the supplied radius, we obtain

We must now determine the congruent circle's area.
The identical area will also be present in a congruent circle.
Consequently, the congruent circle's area will also be

.
Hence, option 1 is correct.

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