Guys do the question at the bottom .

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

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