You can do math in sports to calculate angles and other stuff
An imaginary number " i " is the squared root of -1, so whenever you square i it's like squaring a squared root. The squared root would cancel and you would be left with just the number under it, that is, the -1.
i ^ 2 = -1
Answer:
M
Step-by-step explanation:
M
M
M
M
M
I
L
K
Perimeter is the sum of all the sides of the shape
do you know the length of each side of the parallelogram?
Answer:
x² + (y + 8)² = 81
Step-by-step explanation:
Centre (h,k) = (0,-8)
radius (r) = 9
(x - h)² + (y - k)² = r²
(x - 0)² + (y + 8)² = 9²
x² + (y + 8)² = 81
