Answer :
Answer:
B. The degree measure of the diameter and the degree measure of the semicircle are the same.
Step-by-step explanation:

Semicircle and diameter in a circle are related because the degree measure of the diameter and the degree measure of the semicircle are the same.
Diameter:
The diameter of a circle is the the line that passes through the centre of a circle and meets the circumference at opposite end. The diameter divides a circle into semi circle. Therefore, the degree measure is 180 degrees.
Semi Circle
Semi Circle is half of a circle. It is from the diameter of a circle you cut out a semi circle. The degree measure of a circle is 360 degree while the degree measure of half of a circle(semi circle) is 180 degrees.
Therefore, the degree measure of the diameter and the degree measure of the semicircle are the same.
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