a triangle has sides of lengths 15.23 and 28. is it a right triangle? explain

Question

amistre64 · Answer

assuming that we know what a pythag thrm is?

square them all, add the shotrs together, and compare it to the long

amistre64 · Answer

add the *shorts together

anonymous · Answer

why is it a right triangle

amistre64 · Answer

if you are asking about the proof of the pythag thrm, thats a bit geometric

amistre64 · Answer

if a triangle has short legs:  a and b,  and a long leg, c

it is a right triangle if and only if:  a^2 + b^2 = c^2

anonymous · Answer

i know its a right triangle but i have to explain it to

amistre64 · Answer

if you are in elementary math classes, then refereing this to the pythag thrm as i did will suffice

amistre64 · Answer

otherwise, you might need to determine the law of cosines, and show that when C = 90, it simplifies to the pythag thrm