katelynlee880 katelynlee880

20-05-2020
Mathematics

contestada

The perimeter of a semicircle is 15.42 kilometers. What is the semicircle's radius?

Respuesta :

ujalakhan18 ujalakhan18

20-05-2020

Answer:

r = 4.9 km

Step-by-step explanation:

Perimeter of circle = πr

Where P=15.42 km , π = 3.14

15.42 = (3.14)(r)

r = 15.42 / 3.14

r = 4.9 km

Answer Link

Otras preguntas

Find the ratio and simplify. In this triangle, find the ratio of the shortest side to the longest. A triangle has three sides with lengths 15.2, 5.6, 14.1

What does e equal in e/2 < 3? Please help. I need a quick answer.

8.5+4(1-2.5k)=24.5 round to the nearest hundredth

What mechanism of development underlies the main differences between a novice driver and an experienced driver?

Which substance has polar covalent bonds? which substance has polar covalent bonds? n2 bao f2 so2?

How to graph 8+4x=2x

Find the GCF of the following monomials. -50m⁴ n⁷ and 40m² n¹⁰

What is the role of water in this anabolic process

Using the rule of 70, about how much would $100 be worth after 50 years if the interest rate were 7 percent?

A number cube is rolled with these results: 64 ones, 67 twos, 73 threes, 59 fours, 72 fives, and 71 sixes. What is the experimental probability of rolling an ev