Answer:
cos^-1 (12/13) or 22.6°
Step-by-step explanation:
sohcahtoa you have the adjacent side which goes over hypotenuse and since you are solving for angle it will be inverse of cos
The point (-5,6) is located in quadrant ll
-4x+y=6
y=4x+6
-x=3
y=4(-3)+6
y=-6
therefore, y=-6, x=-3
Answer:
27.28
Step-by-step explanation:
88
* 31
____
88
+ 2640
______
2728
Since you removed the decimal places from the original numbers, for a total of 2 spaces. You need to add that back.
you will have
27.28
The total area of the blades is the area of a triangle multiplied by 4.
We have then:

Where,
b: base of the blades
h: height of the blades
Substituting values we have:

Doing the calculation we have that the area of the blades is given by:

Answer:
The total area of the blades is:
