I get proofs, but I cannot figure out this one question. "If two isosceles triangles are constructed on the same base, prove that the line joining the two vertices forms two congruent triangles." If someone could help it would be amazing!

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how