Find the area of a sector with a central angle of 170° and a radius of 17 millimeters. round to the nearest tenth. question 9 options: 857.5 mm2 100.9 mm2 428.7 mm2 25.2 mm2

428.7 mm²

Step-by-step explanation:

The area (A) of the sector is calculated as

A = area of circle × fraction of circle

   = πr² ×

   = π × 17² ×

   = 289π ×

   = ≈ 428.7 mm²

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99