Find the arc length of a partial circle

12.5664 units (rounded off to four decimal values)

Step-by-step explanation:

Arc length = 2 × π × r ×

For our partial circle;

The radius (r) = 8 units

The central angle = 90°

Arc length = 2 × π × 8 × = 12.5663706144  units

Or 12.5664 units (rounded off to four decimal values)

d 192

step-by-step explanation:

we find our area to find area we multiply thoses numbers to get our answer so our area is 192

d

step-by-step explanation:

i used the pitagoras theoreme