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

#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

### Grade 5 - Mathematics7.19 Circle Problems

 The radius of a circle is half the diameter. The area of a circle is given by pi x r2. square units.( r is the radius and pi = 3.14) The perimeter of a circle is the circumference. The circumference of a circle is given by C = 2 x pi x r units. Example: The radius of a circle is 5 cm. Find the area. Area = pi x r2 Area = 3.14 x 5 x 5 Answer: 78.5 sq cm Directions: Answer the following questions. Also write at least ten examples of your own.
 Q 1: A circle has a radius of 3 feet. What is the area of the circle?28.26 square feet188 square feet18.84 square feet9.32 square feet Q 2: Find the circumference of a circle with a diameter of 13 centimeters to the nearest tenth of a centimeter.55.142.940.8 Q 3: A circle has a diameter of 5 inches. What is the area?15.7 square inches19.625 square inches157 square inches196.25 square inches Q 4: If the diameter of the circle is 25 cm, what is its radius?181.25 cm12.5 cm125 cm Q 5: The circumference of a circle is 47.1 inches. What is the area of the circle?147.894 square inches70.7 square inches176.625 square inches706.5 square inches Q 6: If the circumference of a circle is 62.8 centimeters, what is the area?350.7 square centimeters313.72 square centimeters197.192 square centimeters3140 square centimeters 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:

• Instant scoring of online quizzes
• Progress tracking and award certificates to keep your student motivated
• Unlimited practice with auto-generated 'WIZ MATH' quizzes
• 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