kwizNET Subscribers, please login to turn off the Ads!
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!

Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Geometry
6.28 Surface Area of a Sphere - II

Example:
Find the surface area of the sphere of diameter is 10.5 cm.
Solution:
Surface area of sphere = pi * d2 (this equation if we know diameter)
Given that,
d = 10.5 cm.
= 22/7 * 10.5 * 10.5
= 346.5 Sq. cm.
Directions: Solve the following problems. Also write at least 5 examples of your own.
Q 1: Find the surface area of the sphere of diameter is 39.2 cm.
4892.44 Sq. cm.
4829 Sq. cm.
4829.44 Sq. cm.
4892 Sq. cm.

 Q 2: Find the surface area of the sphere of diameter is 24.5 cm.
1886.7 Sq. cm.
1886.5 Sq. cm.
1886.3 Sq. cm.
1886.1 Sq. cm.

Q 3: Find the surface area of the sphere of diameter is 88.2 cm.
2449.04 Sq. cm.
24494.04 Sq. cm.
24444.04 Sq. cm.
24449.04 Sq. cm.

 Q 4: Find the surface area of the sphere of diameter is 7 cm.
154 Sq. cm.
158 Sq. cm.
156 Sq. cm.
152 Sq. cm.

Q 5: Find the surface area of the sphere of diameter is 8.4 cm.
223.76 Sq. cm.
227.76 Sq. cm.
221.76 Sq. cm.
225.76 Sq. cm.

 Q 6: Find the surface area of the sphere of diameter is 50.4 cm.
7938.36 Sq. cm.
7983.63 Sq. cm.
7938.63 Sq. cm.
7983.36 Sq. cm.

Question 7: This question is available to subscribers only!

 Question 8: This question is available to subscribers only!


Subscription to kwizNET Learning System offers the following benefits:

  • Unrestricted access to grade appropriate lessons, quizzes, & printable worksheets
  • Instant scoring of online quizzes
  • Progress tracking and award certificates to keep your student motivated
  • Unlimited practice with auto-generated 'WIZ MATH' quizzes
  • Child-friendly website with no advertisements
  • Choice of Math, English, Science, & Social Studies Curriculums
  • Excellent value for K-12 and ACT, SAT, & TOEFL Test Preparation
  • Get discount offers by sending an email to discounts@kwiznet.com

Quiz Timer