The midpoint of the points ( 4, 5.5 ) and ( 4, 10.5 ) is the center of the circle:
C =

C = ( 4, 8 ), h=4, k=8
r =

r = 2.5
The equation of the circle in standard form:
( x - h )² + ( y - k )² = r²
( x - 4 )² + ( y - 8 ) = 6.25
Answer:
4 * 4 ÷ 4 = 4
8 ÷ (2*2) = 2
Step-by-step explanation:

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I hope this helps.
Answer:
B
Step-by-step explanation:
supplementary angles =180 degrees
180-117=63
Hyperbole is the correct answer
Answer:
√25 √2
Step-by-step explanation:
The largest perfect square fitting into 50 is 25