The inner and outer diameters of ring 1 of a dartboard are 32cm and 34cm respectively and those of rings II are 19cm and 21cm respectively. What is the total area of these two rings?

Combination of Circles: The inner and outer diameter of ring 1 of a dartboard are 32cm and 34cm respectively and those ring 2 are 19cm and 21cm respectively.What is the total area of these two rings.

The inner and outer Radius of ring I of a darboard are 15 cm and 17 cm respectivley and those of ring II are 12 cm and 13 cm respectivley. What is the total area of these two rings?

The outer and inner diameters of a circular ring are 34 cm and 32 cm respectively. Find the area of the ring.

The inner and outer diameter of a ring is 14 cm and 28 cm respectively. What is the area of ring?

The outer and inner diameters of a circular ring are 34 cm and 32 cm respectively. The area of the ring is :

The outer and inner diameters of a circular ring are 34cm and 32 cm respectively. The area of the ring is

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

The areas of two concentric circles are 962.5cm^2 and 1386 cm^2 respectively. What is the width of the ring?

The inner and outer circumference of a circular ring is 22 cm and 44 cm, respectively. What is the thickness of the ring?

The internal and external diameters of a hollow hemispherical vessel are 21 cm and 28 cm respectively. Find : total surface area,