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<span>(x-h)^2 + (y-k)^2 = r^2
</span><span>where r is the radius of the circle, </span>
<span>and h,k are the coordinates of its center;
( x - 8 )^2 + ( y - ( - 2 ) )^2 = 1 ^2 ;
r = 1 ;
h = 8 ; k = - 2.</span>
Radius is 5, diameter is 10
because 4/3 x 5^3 pi = 500/3 pi cm^3
Answer:
12.49 cm
Step-by-step explanation:
One paper is 38.9, so two papers are 77.8 cm.
To find the length you need to cut off, you need to find how much extra you have.
77.8 - 65.31 = 12.49 cm
Answer:
6.86 to 2DP.
Step-by-step explanation:
7/12 = 4/DC
Cross multiply:
7DC = 4*12
DC = 48/7
= 6.857.
