Question

Four alternative answers for the following question is given. Choose the correct alternative.

Two circles having diameters 8 cm and 6 cm touch each other internally. Find the distance between their centres.

Options

• 2

• 14

• 7

• 1

Answer 1

1

Radii of the circle having diameters 8 cm and 6 cm are 4 cm and 3 cm respectively.

∴ The distance between their centres = 4 – 3 = 1cm.