Prove that the two circles shown below are similar.
1 answer:
The circles B and D are similar since the radius of the former is as twice as the radius of the latter.
<h3>Are the two circles shown in the figure similar?</h3>
By geometry we know that circles are defined by only one characteristic: radius. If two circles are similar, then the radii must be <em>different</em>. After a quick look at the figure, we conclude that the radii are and
. Hence, the circles B and D are similar since the radius of the former is as twice as the radius of the latter.
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Greetings and Happy Holidays!
The Formula for the Volume of a Sphere is:
Input the value of the radius (
):
Solve using the Order of Operations:
The Answer Is:
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-Benjamin
The Formula for the Volume of a Sphere is:
Input the value of the radius (
Solve using the Order of Operations:
The Answer Is:
I hope this helped!
-Benjamin
The horizontal line has equation . The line is solid, and everything below it is shaded, which translates to the inequality
. (so not B nor D)
The dashed line must have equation . Because it's dashed, the inequality is strict. Pick any point in the shaded region, (0, 0) for instance, and compare both sides of this equation. (0, 0) means both
and
, so on the left side we have 0, and on the right we have -1. 0 > -1, so the inequality must be
.
This means the answer is A.