Home
Class 10
MATHS
The radii of two circles are 19 cm and ...

The radii of two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has circumference equal to the sum of the circumference of the two circles.

Text Solution

Verified by Experts

The correct Answer is:
28 cm
Promotional Banner

Topper's Solved these Questions

  • AREAS RELATED TO CIRCLES

    KUMAR PRAKASHAN|Exercise Exercise 12.2|14 Videos

  • AREAS RELATED TO CIRCLES

    KUMAR PRAKASHAN|Exercise Exercise 12.3|16 Videos

  • AREAS RELATED TO CIRCLES

    KUMAR PRAKASHAN|Exercise Other Important Examples|9 Videos

  • ARITHMETIC PROGRESSION

    KUMAR PRAKASHAN|Exercise OBJECTIVE QUESTIONS|1 Videos

Similar Questions

Explore conceptually related problems

The radii of two circles are 8 cm and 6 cm respectively. Find the radius of the circle having area equal to the sum of the areas of the two circles.

The radii of two concentric circles are 40 cm and 41 cm What is the length of a chord of the bigger circle which is tangent to the smaller circle?

The circumference of a circle exceeds its diameter by 30 cm. Find the circumference of the circle.

Find the diameter of the circle whose area is equal to the sum of the areas of two circles of diameters 20cm and 48 cm.

Find the area of a quadrant of a circle whose circumference is 22 cm.

If radii of the two concentric circles are 15cm and 17cm, then the length of each chord of one circle which is tangent to other is:

The radius of a circle is increasing at the rate of 0.7 cm/s. What is the rate of increase of its circumference ?

A is the centre of the circle and ABCD is a square. If BD = 4cm then find the radius of the circle

Two cocentric circles are of radii 7cm and 25cm. Find the length of the chord of the larger circle which touches the smaller circle.

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