How do you find the formula of a half circle?

2 answers:

4 0

Full circle
Circumference = 2*pi * r
Circumference = pi * d

Area = pi r * r = pi * r^2
Area = pi d^2 / 4

Half circle
Circumference = pi * r
Circumference = pi * r / 2

Area = pi r^2 / 2
Area = pi d^2/8

The answer depends on what you are looking for and what you are given. But those are the only common formulas I can think of at the moment.

Kazeer [188]3 years ago

4 0

Ok don't report me but this answer is a blank because I want the other person to have brainliest NP

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