Answer:
21 in
Step-by-step explanation:
by the Pythagorean theorem we have

notice that the 841 and the 400 don't go squared because they already squared!
What is y+x?
Answer:
<span>= <span>x+<span>y</span></span></span>
Answer:
cool
Step-by-step explanation:
Hope you could understand.
If you have any query, feel free to ask.