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Circles + triangles

Use this studystack to study for the circles and triangles quiz on 5/1/26!

QuestionAnswer
What is the relationship between the radius and diameter? The radius is half the diameter or the diameter is twice the radius.
Describe the circumference of a circle. The distance around it.
The area of the circle is determined using the following formula: A= pirsquared
In the area formula: A= area
(Use pi key on the calculator) Pi = (more or less) 3.141592654...
In the area formula R= radius
The circumference of a circle is determined by using the following formulas: C=pid or C= 2pir
In the circumference formula: C= circumference
d = diameter
Created by: user-1901406
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