If the radius of a circle proportional to the circumference of the circle. Justify your answer. If the radius of a circle is 18

Question

3 years ago

5

If the radius of a circle proportional to the circumference of the circle. Justify your answer. If the radius of a circle is 18

miles 1. what is the measure of the diameter. 2. what is the measure of the circumference, exactly in terms of pi. 3. what is approximate measure of the circumference, to the nearest tenth of a mile.

Mathematics

2 answers:

postnew [5] · Answer 1 · 2022-05-25T16:25:17+03:00

postnew [5]3 years ago

6 0

circumference of a circle (C)

C = πd or 2πr ( because d 2 x r)

r= 18 miles given

d= diameter

r= radius

d = 2 x r

d = 2 x 18 = 36 miles

2) C = πd

C = 3.14 x 36 = 113.04 miles

3) approximate measure of C = 22/7 x 36= 113.14 miles

Mazyrski [523] · Answer 2 · 2022-05-25T18:40:09+03:00

Mazyrski [523]3 years ago

5 0

Answer:

113.14

Step-by-step explanation: