Question

Help me understand this math problem I need help asap pls help me .

Answer 1

d

Explanation:

the length of arc YPX is calculated as

YPX = circumference of circle × fraction of circle

the central angle of arc XY = 90° , then

central angle of arc YPX = 360° - 90° = 270°

YPX = 2πr ×
`(270)/(360)` ( r is the radius )

= 2π × 8 ×
`(3)/(4)`

= 16π ×
`(3)/(4)`

= 4π × 3

= 12π m