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Inscribed Circle in Square - Square Area to Circle Radius (Level 1)

This math topic focuses on finding the radius of a circle that is inscribed within a square, given the area of the square. Each question presents different square areas, ranging from 4 to 49, and requires calculating the corresponding inscribed circle's radius. Multiple choice answers are provided for each problem, with the format suggesting a need for understanding and applying geometric relationships and formulas, notably the relationship between the side length of the square and the diameter of the inscribed circle. This includes some calculations with square roots and rationalizing denominators. This topic is part of an introduction to inscribed squares and circles.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Inscribed Circle in Square - Square Area to Circle Radius

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Find the radius of the circle inscribed in a square with area 64

r=?

Inscribed Circle in Square - Square Area to Circle Radius Worksheet

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Math worksheet on 'Inscribed Circle in Square - Square Area to Circle Radius (Level 1)'. Part of a broader unit on 'Inscribed Squares and Circles - Intro' Learn online: app.mobius.academy/math/units/inscribed_squares_and_circles_intro/
1
Find the radius of the circle inscribed in a square with area 49
An svg image showing a math problem
a A LaTex expression showing 4square root of 49
b A LaTex expression showing 98
c A LaTex expression showing 2square root of 49 over 2
d A LaTex expression showing 2square root of 98 over 2
e A LaTex expression showing \frac{square root of 49}{2}
f A LaTex expression showing 49
2
Find the radius of the circle inscribed in a square with area 25
An svg image showing a math problem
a A LaTex expression showing \frac{square root of 25}{2}
b A LaTex expression showing 2square root of 13 over 2Pi
c A LaTex expression showing 10Pi
d A LaTex expression showing 2square root of 10 over 2
e A LaTex expression showing 4square root of 25
f A LaTex expression showing 10 over 2 square root of 2
3
Find the radius of the circle inscribed in a square with area 36
An svg image showing a math problem
a A LaTex expression showing 4square root of 18
b A LaTex expression showing 2square root of 12 over 2
c A LaTex expression showing \frac{square root of 36}{2}
d A LaTex expression showing {(square root of 18)} to the power of 2 Pi
e A LaTex expression showing 36Pi
f A LaTex expression showing {(square root of 12)} to the power of 2 Pi
4
Find the radius of the circle inscribed in a square with area 4
An svg image showing a math problem
a A LaTex expression showing 4 over Pi
b A LaTex expression showing 2square root of 2 over 2Pi
c A LaTex expression showing 4square root of 4
d A LaTex expression showing 2 to the power of 2 over 2 Pi
e A LaTex expression showing 4square root of 8
f A LaTex expression showing \frac{square root of 4}{2}
5
Find the radius of the circle inscribed in a square with area 64
An svg image showing a math problem
a A LaTex expression showing 128 over Pi
b A LaTex expression showing 64Pi
c A LaTex expression showing 32 over Pi
d A LaTex expression showing 128 to the power of 2 over 2 Pi
e A LaTex expression showing \frac{square root of 64}{2}
f A LaTex expression showing {(square root of 128)} to the power of 2 Pi
6
Find the radius of the circle inscribed in a square with area 16
An svg image showing a math problem
a A LaTex expression showing 8
b A LaTex expression showing {(square root of 32)} to the power of 2 Pi
c A LaTex expression showing 8 over 2 square root of 2
d A LaTex expression showing 8
e A LaTex expression showing \frac{square root of 16}{2}
f A LaTex expression showing 4square root of 16
7
Find the radius of the circle inscribed in a square with area 9
An svg image showing a math problem
a A LaTex expression showing {(square root of 6)} to the power of 2 Pi
b A LaTex expression showing \frac{square root of 9}{2}
c A LaTex expression showing 5 over 2 square root of 2
d A LaTex expression showing {5 over 2 } to the power of 2 Pi
e A LaTex expression showing {6 over 2 } to the power of 2 Pi
f A LaTex expression showing {9 over 2 } to the power of 2 Pi