Answer:
The reference angle is 
Step-by-step explanation:
The given angle is 
The reference angle is the acute angle, that a given angle makes with the x-axis.
First let us make a sketch of the given angle. <em>See diagram in attachment.</em>
Let 
be the reference angle of
Then, from the diagram, we need to subtract from 
to get to 
.
We can therefore write the following equation and solve for .
We group like terms to get,
We collect LCM to get,
We simplify to get,
We divide through by 
to get,
The correct answer is D.
Option 1, 6, 3 are all correct
Answer: SECOND OPTION
Step-by-step explanation:
The area of a parallelogram can be calculated with this formula:
Where "b" is the of one base and "h" is the height.
You can observe in the figure that "b" and "h" are:
Then, substituting these values into the formula, you get that the area of the given parallelogram is:
This matches with the second option.
So 5/8 of $24
5/8 * 24
15
Joshua spent $15.
Hope this helps :)
To solve this problem, we need to factor 36 and 80, then find greatest common factor, and divide numerator and denominator by this greatest common factor.
36/80 = (4*9)/(4*20)= 9/20
Answer A. 9/20.
