Question

I already got 842 squared=c2 I just need help with simplest radical form

Answer 1

Answer:

The answer is 29.

Step-by-step explanation:

The steps to do this :

${c}^{2} = {20}^{2} + {21}^{2}$

${c}^{2} = 841$

$c = \sqrt{841}$

$c = 29$

Answer 2

its pretty hard actually im grade 7 0-0