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14-05-2021
Mathematics

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Is the triangle with the given side lengths a right triangle? EXPLAIN how you know.
3.9 mm, 8.0 mm, 8.9 mm

Is the triangle with the given side lengths a right triangle EXPLAIN how you know 39 mm 80 mm 89 mm class=

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breadsticksandcheese breadsticksandcheese

14-05-2021

Answer:

It is a right triangle

Step-by-step explanation:

Use the Pythagorean theorem:

[tex]a^2+b^2=c^2\\\\3.9^2+8.0^2=8.9^2\\\\15.21+64=79.21\\\\79.21=79.21[/tex]

if they weren't equal, it wouldn't be a right triangle.

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