Answer:
$420
Step-by-step explanation:
First convert the room measurements from feet to yards to match the unit of measure of the carpet.
Room size is 12 feet by 21 feet.
3 feet = 1 yard.
12/3 = 4 yards
21/3 = 7 yards
4 yards times 7 yards = 28 square yards
28 square yards times $15 per square yards = $420.
<em>The polygon area is </em><em />
Points:
(2,7), (8,2), (6,11), (6,5), (11,6)
1. The area of the polygon could be calculate with the eqation:
2. Replace the coordinates in equation for A:
3. Solve the determinant, and calculate A:
The Answer is 0.785398163 rad
seeed
Step-by-step] explanation:
ddd~!`