Find the area of a ring whose inner and outer radii are 15 cm and 18 cm respectively. Take `pi=3.14`

Find the area of a ring whose outer and inner radii are 12 cm and 10cm respectively.

Find the area of a ring whose outer and inner radii are respectively 20 cm and 15 cm

Find the area of a ring whose outer and inner radii are respectively 20 cm and 15 cm

A race track is in the form of a ring whose inner and outer circumferences are 44cm and 66 cm respectively. Find the width of the track.

Find the area of a ring whose outer and inner radii are respectively 23 cm and 12 cm.

Find the area of a triangle whose sides are 13cm,14cm,15cm

Find the area of the triangle whose sides are 13 cm, 14 cm and 15 cm.

Find the area of a triangle whose sides are 13cm;14cm and 15cm.

Find the area of the triangle whose sides are 13cm, 14cm &15cm.