Question

Which is a perfect square? 6 Superscript 1 6 squared 6 cubed 6 Superscript 5 What is the length of the hypotenuse, x, if (20, 21, x) is a Pythagorean triple

Answer 1

Answer:

Step-by-step explanation:

Hello, by definition a perfect square can be written as $a^2$ where a in a positive integer.

So, to answer the first question, $6^2$ is a perfect square.

(a,b,c) is a Pythagorean triple means the following

$a^2+b^2=c^2$

Here, it means that

$x^2=20^2+21^2=841=29^2 \ \ \ so\\\\x=29$

Thank you.