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gogolik [260]
3 years ago
14

An arc in a circle with a radius of 4 inches is subtended by a central angle that measures 110°. Explain how to find the arc len

gth exactly, and then approximate the length to one decimal place.
Mathematics
2 answers:
kherson [118]3 years ago
7 0
The formula is

L = rC  where L = length of the arc, r = radius of the circle and C is the angle in radians.

here r = 4 and C = 110pi / 180

arc length L = (4 * 110 * pi) / 180 =  7.7 ins
Colt1911 [192]3 years ago
4 0

Answer:

Step-by-step explanation:

Alright, lets get started.

The angle is 110 degrees.

For plugging this angle in formula, we must change it from degree to radian.

110 degree will be : 110*\frac{\pi }{180}

So, 110 degree angle is : 1.9198 radians

The radius is  4 inches.

The formula is : s=r*theta

s is arc

r is radius

theta is angle

s=4*1.9198

s=7.67

To one decimal place :

arc is 7.7 inches.    :   Answer

Hope it will help :)

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