1) If the diameter of a circle is changed from 8 cm to 4 cm, how will the circumference change? A) increases by a factor of 2 B) decreases by a factor of 2 C) increases by a factor of 4 D) decreases by

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Marcel Braasch asked May 17, 2023

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1) If the diameter of a circle is changed from 8 cm to 4 cm, how will the circumference change?

A) increases by a factor of 2
B) decreases by a factor of 2
C) increases by a factor of 4
D) decreases by a factor of 4

Mathematics
high-school

Marcel Braasch asked May 17, 2023

by Marcel Braasch

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24 votes

Answer:

the answer is B.

Explanation:

the formula for circumference of a circle is
$\pi$ ×diameter=C

$\pi$ ·8=25.13

$\pi$ ·4=12.56

12.56·2=25.13

Nozomi answered May 22, 2023

by Nozomi

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