Q4 of 59 Page 122

Is it true to say that area of segment of a circle is less than the area of its corresponding sector? Why?

False

It is not true because in case of major segment, area is always greater than the area of its corresponding sector. It is true only in the case of minor segment.


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2

Will it be true to say that the perimeter of a square circumscribing a circle of radius a cm is 8a cm? Give reason for your answer.

 3

In figure, a square is inscribed in a circle of diameter d and another square is circumscribing the circle. Is the area of the outer square four times the area of the inner square? Give reason for your answer.

 5

Is it true that the distance travelled by a circular wheel of diameter d cm in one revolution is 2πd. Why?

 6

In covering a distance s m, a circular wheel of radius r m makes revolution. Is this statement true? Why?