 Name: ___________________Date:___________________

 Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

### Geometry6.29 Surface Area of a Sphere - III

 Example: The surface area of a sphere is 154 Sq. cm. Find its radius. Solution: Given that, Volume of the sphere = 154 Sq. cm. i.e., 4 * pi * r2 = 154 r2 = 154 * 7/22 * 1/4 r2 = 1078/88 r2 = 12.25 r = 3.5 cm. Directions: Solve the following problems. Also write at least 5 examples of your own. Name: ___________________Date:___________________

### Geometry6.29 Surface Area of a Sphere - III

 Q 1: The surface area of a sphere is 616 Sq. cm. Find its radius.6 cm.8 cm.9 cm.7 cm. Q 2: The surface area of a sphere is 24449.04 Sq. cm. Find its radius.32 cm.28 cm.44.1 cm.42 cm. Q 3: The surface area of a sphere is 3850 Sq. cm. Find its radius.17 cm.17.5 cm.17.6 cm.17.8 cm. Q 4: The surface area of a sphere is 221.76 Sq. cm. Find its radius.6 cm.6.2 cm.4 cm.4.2 Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!