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

### Geometry4.18 Area of a Circle - I

 Example: The radius of a circle is 4.9 cm. Find its area. Solution: Given that, The radius of circle (r) = 4.9 cm. The area of a circle = p r2. = 22/7 * (4.9)2 = 22/7 * 4.9 * 4.9 75.46 sq cm. Directions: Read the above example carefully and answer the following questions. Draw 10 different circles on sheet of paper and represent each with different color. Find the area of each of them.
 Q 1: The diameter of a circle is 0.98 cm. Find its area.754.6 sq cm0.7546 sq cm75.46 sq cm7.546 sq cm Q 2: Find the raduis of a circle whose area is given by 154 sq cm.6 cm7 cm5 cm10 cm Q 3: The radius of a circle is 13.5 cm. Find its area.5.725 sq cm572.56 sq cm385.54 sq cm385.23 sq cm Q 4: Find the diameter of a circle whose area is given by 9.625 sq cm.4.5 cm1.86 cm1.75 cm3.5 cm Q 5: Find the diameter of a circle if its area is given by 86.625 sq cm.6 cm12 cm5.25 cm10.5 cm Q 6: The radius of a circle is 1.4 cm. Find its area.61.6 sq cm6.16 sq cm0.616 sq cm616 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:

• 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