Question

The perimetre of one square is 40 cm, then how much is the
radius of a circle. Which touches the square from inner side ?
1) 5 cm 2) 10 cm 3 ) 4 cm 4) 8 cm​

Answer 1

Answer:

Your answer is 5cm.

Side of sq=diameter of circle =10 cm

so,radius =diameter/2=5cm.

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Answer 2

Answer:

5cm

Step-by-step explanation:

The perimeter of square is 40 cm .

therefore one side of square is 10 cm .

Circle touches the square internally ,

so , side of square = Diameter of circle

Diameter of circle is 10 cm

hence the radius of circle is 5cm