Answer: 
Step-by-step explanation:
x^2+y^2=r^2 --> subtract x^2 to other side
y^2=r^2-x^2 --> square root both sides
y=sqrt(r^2-x^2)
<span>3rd angle of a triangle = 180 -(44 + 72) = 180 - 116 = 64
answer
</span><span>3rd angle of a triangle = 64 degrees</span>
To rotate clockwise 90 degrees from a point (x, y) the image will be (y, -x)
In this case given the point (-1, 1), the image will be (1, -(-1)) or (1, 1)
Given
coordinates of center= (0,9)
Circle passes through (0, 27/2)
Find
Equation of circle
Explanation
The equation of circle in standard form is

We know the circle passes through (0,27/2), then

So the equation in the standard form is

Final Answer
Answer:
Step-by-step explanation:
True:
Any letter can be used as a variable (yes)
Variables are used for numbers that haven't been defined yet (maybe)
All the rest are false
Hope this helps!