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ioda
3 years ago
13

If the arc length of a sector in the unit circle is 3π/2 , what is the measure of the angle of the sector? A) 0 radians B) π/2 r

adians C) π radians D) 3π/2 radians
Mathematics
2 answers:
Naily [24]3 years ago
8 0
D the answer is already in radians
ziro4ka [17]3 years ago
6 0

Answer: D) \dfrac{3\pi}{2} radians

Step-by-step explanation:

In geometry, the radius of a unit circle = 1 unit.

Given: The arc length of a sector in the unit circle =\dfrac{3\pi}{2}

We know that the formula to calculate length of arc having central angle x and radius r is given by  :-

l=rx

Substitute r= 1  and  l=\dfrac{3\pi}{2} in the above formula , we get

\dfrac{3\pi}{2}=(1)x\\\\\Rightarrow\ x=\dfrac{3\pi}{2}

Hence, the  measure of the angle of the sector =\dfrac{3\pi}{2} radians

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