3 years ago

Find the length of arc QS

Mathematics

1 answer:

ss7ja [257]3 years ago

4 0

Answer:

QS ≈ 4.71 units

Step-by-step explanation:

The arc QS is calculated as

QS = circumference of circle × fraction of circle

= 2πr × $\frac{90}{360}$ ( r is the radius )

= 2π × 3 × $\frac{1}{4}$

= 6π × 0.25 ≈ 4.71 units ( to the nearest hundredth )

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3 years ago

Calculate the value of angle A and C of ∆ ABC. Where b=1435cm, a= 782cm and B= 115.6°.

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