Given the legs of a right triangle are a = 21, b = 28, what is the length of the hypotenuse?

That's a 3 4 5 right triangle scaled by a factor of 7, so the hypotenuse must be 5 times 7.

35

answer: your gay

step-by-step explanation:

you dont know math

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.