Answer:
-45˚
Step-by-step explanation:
Because the quadrant is 90˚ and 90 ÷ 2 = 45 and it in in the negative area. Therefore he angle is -45˚
Replace x with -11 and solve:
Y = (-11)^2 + 11
(-11)^2 = 121
Y = 121 + 11
Y = 132
Answer: 132
The diameter is actually 12 feet. the area i believe is pi(radius)squared. so the area would come out to 36pi. if you want it to not be with the word pi, multiply 36 by 3.14.
i hope this helps.
Answer:
40!
Step-by-step explanation:
3x+20+40=180
3x+60=180
3x=120
x=40