Respuesta :

Answer:

No

Step-by-step explanation:

You need a 90 degree angle to form a right triangle, as well as two other angles with the sum of 90 to be equivalent to 180 degrees.

Hope this helps!

Cuty15
7,20,21 does form a right triangle because the right triangle having these side lengths is sometimes called the 3,4,5 triangle and 7,20,21 is a part of the divisors

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