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BigorU [14]
3 years ago
5

Determine the length (to 1 decimal place) of the arc that subtends an angle of 2.8 radians at the centre of a circle with radius

12 cm.
13.3 cm

33.6 cm

148.0 cm

16.8 cm
Mathematics
1 answer:
victus00 [196]3 years ago
4 0

Answer:

33.6 cm

Step-by-step explanation:

We can use the formula for arc length to solve this.

s=r\theta

Where

s is the arc length

r is the radius

\theta is the angle subtended by the arc (in radians)

<u />

<u>The problem gives us theta = 2.8 radians and radius of the circle as 12 cm. We plug these into the formula and figure out the arc length (to 1 decimal place):</u>

s=r\theta\\s=(12)(2.8)\\s=33.6

2nd answer choice is right.

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