21,000 + 0.07(21,000) = 21,000 + 1,470 = 22,470
Eighty two point thirty three ..?
4.5 / 2 = 2.25cm radius for the smaller circle
3.14 (pi) × 2.25² = 15.89625cm²
10.5 / 2 = 5.25cm radius for the larger circle
3.14 × 5.25² = 86.54625cm²
86.54625 - 15.89625 = <span>70.65cm</span>²
The answer is 70.7cm².
$1200
explanation- 360/30%=$1200 !:)
