In triangle ABC, the measure of angle A is 35 degrees and the measure of angle B is 20 degrees. in triangle DEF the measure of angle D is 35 degrees and the measure of angle F is 125 degrees.
are triangles ABC and DEF similar? explain or show your reasoning.
(this is the only question i am stuck on, can someone please help?)

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered