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Pythagorean Equation from Variables - Length of Hypotenuse (Radical) (Level 1)

This math topic focuses on applying the Pythagorean theorem to find the hypotenuse of a right triangle, expressing the results in radical form. Each problem gives the values for legs \(a\) and \(b\), and students must calculate the length of hypotenuse \(c\) by finding the square root of the sum of the squares of \(a\) and \(b\). Various questions provide different sets of numerical values for \(a\) and \(b\), requiring learners to compute \(c\) as a radical expression, with multiple-choice format for answers. This forms a fundamental part of understanding the principles of the Pythagorean theorem in geometry.

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

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Variables - Length of Hypotenuse (Radical)

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.


Find the radical (square root) for the value of 'c' in this equation

a2+b2=c2a=3b=2c=?a^2 + b^2 = c^2\\a = 3\\b = 2\\c = ?

Pythagorean Equation from Variables - Length of Hypotenuse (Radical) Worksheet

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Math worksheet on 'Pythagorean Equation from Variables - Length of Hypotenuse (Radical) (Level 1)'. Part of a broader unit on 'Pythagoras - Foundations' Learn online: app.mobius.academy/math/units/pythagoras_foundations/
1
Find the radical (square root) for the value of 'c' in this equation
A LaTex expression showing a to the power of 2 + b to the power of 2 = c to the power of 2 \\a = 2\\b = 2\\c = ?
a A LaTex expression showing c = square root of 16
b A LaTex expression showing c = square root of 0
c A LaTex expression showing c = square root of 8
2
Find the radical (square root) for the value of 'c' in this equation
A LaTex expression showing a to the power of 2 + b to the power of 2 = c to the power of 2 \\a = 5\\b = 6\\c = ?
a A LaTex expression showing c = square root of -11
b A LaTex expression showing c = square root of 61
c A LaTex expression showing c = square root of 11
3
A LaTex expression showing a to the power of 2 + b to the power of 2 = c to the power of 2 \\a = 6\\b = 6\\c = ?
Find the radical (square root) for the value of 'c' in this equation
a A LaTex expression showing c = square root of 72
b A LaTex expression showing c = square root of 0
4
Find the radical (square root) for the value of 'c' in this equation
A LaTex expression showing a to the power of 2 + b to the power of 2 = c to the power of 2 \\a = 5\\b = 3\\c = ?
a A LaTex expression showing c = square root of 34
b A LaTex expression showing c = square root of 16
c A LaTex expression showing c = square root of 43
5
Find the radical (square root) for the value of 'c' in this equation
A LaTex expression showing a to the power of 2 + b to the power of 2 = c to the power of 2 \\a = 5\\b = 2\\c = ?
a A LaTex expression showing c = square root of 37
b A LaTex expression showing c = square root of 21
c A LaTex expression showing c = square root of 29
6
A LaTex expression showing a to the power of 2 + b to the power of 2 = c to the power of 2 \\a = 2\\b = 3\\c = ?
Find the radical (square root) for the value of 'c' in this equation
a A LaTex expression showing c = square root of 13
b A LaTex expression showing c = square root of 5
7
Find the radical (square root) for the value of 'c' in this equation
A LaTex expression showing a to the power of 2 + b to the power of 2 = c to the power of 2 \\a = 6\\b = 5\\c = ?
a A LaTex expression showing c = square root of 11
b A LaTex expression showing c = square root of 61
c A LaTex expression showing c = square root of 111
d A LaTex expression showing c = square root of 86