What is the length of xpy in terms of pi

Posted By Admin @ September 03, 2022

Question:

What is the length of XPY in terms of pie?

A) 30 pi m
B) 10 pi m
C) 300 pi m
D) 100 pi m

Answer:

Answer:

A

Step-by-step explanation:

The angle subtended at the centre of the circle by arc XPY is 270°

That is 360° - 90° = 270°

arc length = circumference × fraction of circle

                 = 2πr × \frac{270}{360}

                 = 2π × 20 × \frac{3}{4}

                 = 40π × \frac{3}{4} = 30π m → A





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