Answer:
42
Step-by-step explanation:
10x+15x+6x=217
31x=217
217/31=7
6x7=42
Answer:
C. 22 sq. ft
Step-by-step explanation:
* 4
11 ÷ 2 = 5.5
5.5 * 4 = 22
The area of the trapezoid is 22 square feet
Answer:
-sqrt(3)
Step-by-step explanation:
If you type in your calculator, you'll get -1.732050808... which is the negative of sqrt(3)