labeeb54 labeeb54

06-04-2021
Mathematics

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in a circle of radius 28 cm, an subtends an angle of 45° at the centre, then find the length of the arc(in cm)

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yamunasasidharan0808 yamunasasidharan0808

06-04-2021

Answer:

22cm

Step-by-step explanation:

Length of arc = [tex]\frac{theta}{360}[/tex] * 2[tex]\pi[/tex]r

= [tex]\frac{45}{360}[/tex] * 2 * [tex]\frac{22}{7}[/tex] * 28

= 22 cm

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