Register
What is the approximate circumference of a semicircle with a radius of 12 centimeters? 18.8 centimeters 37.7 centimeters 75.4 centimeters 150.7 centimeters
153k views
4 votes
What is the approximate circumference of a semicircle with a radius of 12 centimeters?

18.8 centimeters

37.7 centimeters

75.4 centimeters

150.7 centimeters

User JJ Pell
by
6.3k points

2 Answers

3 votes
you do Pi×Radius^2
so 24×Pi=75.4
then 75.4÷2=37.7
User Gie
by
6.2k points
2 votes
Circumference of circle is 2*pi*radius
so 2*3.1416*12 = 75.4 cm
circumference of semicircle would be (1/2) (75.4) = 37.7 cm
answer is 37.7 cm
User Nagarajan S R
by
7.3k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.7m questions

8.9m answers

Other Questions

What is the least common denominator of the four fractions 20 7/10 20 3/4 18 9/10 20 18/25
Paul bought a student discount card for the bus. The card allows him to buy daily bus passes for $1.60. After one month, Paul bought 23 passes and spent a total of $45.80. How much did he spend on the
Which of the following comparisons is false? 5° c is warmer than 5°f. 15° c is cooler than 60° f. 30° c is warmer than 90° f. 35° c is cooler than 100° f.
arlos has $690,000 he wants to save. If the FDIC insurance limit per depositor, per bank, is $250,000, which of these ways of distributing his money between three banks will guarantee that all of his money
Solve using square root or factoring method plz help!!!!.....must click on pic to see the whole problem
Link Copied!