Pythagoras Theorem


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Apply what you know about Pythagoras' Theory to find the value of x (to 2 decimal places) on the triangles below. All dimensions are in cm. For help, see this lesson on Pythagoras' Theorem .
right triangle with sides of length 9 and 7 and one side of unknown length

x =   11.40  cm

right triangle with sides of length 12 and 10 and one side of unknown length

x =   15.62  cm

right triangle with sides of length 15 and 6 and one side of unknown length

x =   13.75  cm

right triangle with sides of length 20 and 16 and one side of unknown length

x =   12.00  cm

right triangle with sides of length 11 and 14 and one side of unknown length

x =   17.80  cm

right triangle with sides of length 1 and 10 and one side of unknown length

x =   9.95  cm

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Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Understand and apply the Pythagorean Theorem

 

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