Question

find the angle is radians,subtended at the centre of a circle of radius 5 cm by an arc of the circle whose length is 12 cm​

Answer 1

Angle subtended at the center will be 2.4 radian

Step-by-step explanation:

We have given radius of the circle r = 5 cm

Length of the arc = 12 cm

We have to find the angle in radian

We know that length of the arc is given by $length\ of\ the\ arc=radius\times angle$

So $12=5\times \Theta$

$\Theta =\frac{12}{5}=2.4radian$

So angle subtended at the center will be 2.4 radian

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