Atriangle δabc contains sides of lengths 12, 9, and 17, respectively. what type of triangle is described by these lengths?

It is a scalene triangle

I hope this helps! I'm also more than happy to elaborate if you want :)

A)26•2=52there are 2 sides with the same length116-52=64the other 2 side have to be half of 64 each64/2=32the width is 32b)make two sentences about these steps because your teacher knows how you write and explain things.