Question

(c) The diameter is twice the radius of a circle.
(d) The lengths of all radii of a circle are different.
(e) There are four semicircles of a circle​

Answer 1

Answer:

The diameter is twice the radius of a circle.

The lengths of all radii of a circle are different.

There are four semicircles of a circle

Answer 2

Answer:

Step-by-step explanation:

(C)  Answer: The diameter of a circle is a single line segment that stretches the entire width of the circle, intersecting with the center point and two points around the circumference. The diameter measures how wide the circle is, and is always equal to twice the radius (2r).

(B) Answer: By definition, all radii of a circle are congruent, since all the points on a circle are the same distance from the center, and the radii of a circle have one endpoint on the circle and one at the center. ... The length of the diameter is twice that of the radius. Therefore, all diameters of a circle are congruent, too.

(C) Answer: There are four semi-circles. BC, the diameter of the larger semi-circle is of length 84 cm. Centers of the three equal semi-circles lie on BC. ABC is an isosceles triangle with AB = AC.

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