For a circle with a radius of 15 cm, what is the length of an arc intercepted by an angle measuring 120°?
a)
51 cm
870 cm
107 cm
127 cm

or

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference of a circle is equal to

we have

substitute

step 2

Remember that the circumference of the circle subtends a central angle of 360 degrees

so

using proportion

Find the length of an arc by a central angle of 120 degrees

The exact value of the length of the arc is

assume

---> approximate value

the function makes a strait line horizontally with no x intercept but a y intercept at 9.

answer: what is the question you're trying to ask?

step-by-step explanation: