A central angle θ in a circle of radius 4 m is subtended by an arc of length 5 m. find the measure of θ in degrees. (round your
answer to one decimal place.)
1 answer:
Answer:

Step-by-step explanation:
step 1
Find the circumference of the circle
The circumference is equal to

we have

substitute the values

step 2
Remember that
360 degrees subtends the arc of length
(circumference)
so
by proportion
Find the measure of θ by an arc of length 5 m
assume 

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