Answer:
√13
Step-by-step explanation:
if you try Pythagorean's theorem for each one, you should get that √13 doesn't work.
Answer:
I think its 4,5. Not entirely sure but it makes sense
Answer:
the answer is B
Step-by-step explanation
Cant really explain but next time put the topic for the subject so people will understand.
Answer:
62
Step-by-step explanation:
There are two lengths so 77 + 77 is 154. Now, subtract from the perimeter. 278 minus 154 is 124. This is both widths combined so to only get one, divide by 2. 124 divided by 2 is 62.