What is the product of 0.2*7

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Divide. write in simplest form 41/6 divided by 10

If sin(x) = 0 and cos(x) = 1, what is tan(x)?