6 Questions
What is the relationship between the diameter and the radius of a circle?
The diameter is twice the radius
What is the formula for calculating the circumference of a circle?
$2\pi r$
What is the area of a circle with radius $r$?
$\pi r^2$
What is the formula for calculating the circumference of a circle?
$2\ imes\pi\times r$
If a circle has a radius of 5 units, what is its circumference?
$10\ imes\pi$ units
In a circle, what is the relationship between the diameter ($d$) and the radius ($r$)?
$d = 2r$
Test your knowledge of circles in mathematics grade 3 with questions about calculating the circumference, relationship between the diameter and radius, and finding the area of a circle with a given radius.
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