Help please the image is the question please

Triangle knm is what is true about the sides of knm

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?