Which method is valid for proving that two circles are similar?

a- Calculate the ratio of the diameter to the radius for each circle and show that they are equal.
b- Calculate the ratio of degrees to the circumference for each circle and show that they are equal.
c- Calculate the ratio of the área to the circumference for each circle and show that they are equal.
d- Calculate the ratio of the diameter to the circumference for each and show that they are equal.

Question

Mathematics

Answered

Which method is valid for proving that two circles are similar?

a- Calculate the ratio of the diameter to the radius for each circle and show that they are equal.
b- Calculate the ratio of degrees to the circumference for each circle and show that they are equal.
c- Calculate the ratio of the área to the circumference for each circle and show that they are equal.
d- Calculate the ratio of the diameter to the circumference for each and show that they are equal.

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BZG3id BZG3id · Answer 1

BZG3id BZG3id

A. The circumference of a circle is the diameter times 3.14 aka pie and for instance, if you have two circles, circle A has a radius of 2 and diameter of 4 and circle B has a radius of 4 and diameter of 8, then if you compare the radius to the diameter (2/4 and 4/8) you get 1/2 for both and you know the circles are similar

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