Please help. I have no idea how to solve this. Please, don't give useless answers. I asked this question earlier, and the spots were taken up by people saying, "don't ask for help!"

Is this from a

If they nenenenenenene

Def is a scalene triangle

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.