Two concentric circles have radii 20 cm ...

Two concentric circles have radii 20 cm and 15 cm. Find the area of ring shaped region

Verified by Experts

The correct Answer is:

False

PRACTICAL GEOMETRY
NAND LAL PUBLICATION|Exercise ADDITIONAL QUESTIONS FOR PRACTICE (Hots High order Thinking Skill )|1 Videos
PLAYING WITH NUMBERS
NAND LAL PUBLICATION|Exercise SAMPLE PAPER FOR PRACTICE |22 Videos
RATIO AND PROPORTION
NAND LAL PUBLICATION|Exercise SAMPLE PAPER FOR PRACTICE |13 Videos

Similar Questions

Explore conceptually related problems

Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle.

AB and CD are respectively arcs of two concentric circles of radii 21 cm and 7 cm and centre O. If ZAOB = 30^@ , find the area of the shaded region.

In fig., ABC is a quadrant of a circle of radius 14 cm and a semi circle is drawn with BC as diameter. Find the area of the shaded region.

The area of a circle is equal to the sum of the areas of the two circles, whose radii are 5 cm and 12 cm respectively. Find the radius of the circle.

The area covered by two concentric circles is 770 cm^2 . The outer radius is 21 cm. Find the inner radius of circle.

Two concentric circular loops of radii 1 cm and 20 cm are placed coaxially. Find mutual inductance of the arrangement.