Terms Related to Circle

Q.

The sum of the diameters of two circles is 280 cm and the difference of their circumferences is 88 cm. Then the larger of the two radii is

1. 63 cm

2. 44 cm

3. Cannot be determined

4. 77 cm

Q. Question 44

Fill in the blanks to make the statement true.

The distance around a circle is its ___.

Q. Prove that the perpendicular at the point of contact to the †an gent to a circle passes through the center.

Q. two circles are drawn with sides pq and pr of triangle pqr as diameter . these circles intersect at a point S . prove that S lies on QR

Q. A polygon with infinite sides is a circle.

1. True
2. False

Q. Into a circular drum of radius 4.2 m and height 3.5 m, how many full bags of wheat can be emptied if the space required for wheat in each bag is 2.1 m³?

Q.

Is perimeter of circle same as the circumference?

1. False

2. True

Q. Into a circular drum of radius 4.2 m and height 3.5 m, how many full bags of wheat can be emptied if the space required for wheat in each bag is 2.1 m³?

Q. Sector of a circle is a region bounded by two radii and ___

1. secant
2. arc
3. none of these
4. chord

Q. The area enclosed by two radii and an arc in a circle is called a _____.

1. Segment
2. Diameter
3. Chord
4. Sector