8. The length of a rectangle is 10 centimeters less than twice its width. The perimeter of the rectangle is 52 cm.
1 answer:
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Answer:
Yes
Step-by-step explanation:
We can use the Pythagorean Theorem to check if this triangle is a right triangle:
Note that and
are the legs of the triangle and
is the hypotenuse:
Substitute the lengths of the sides into the equation:
Therefore this triangle is a right triangle.