Let two cards be dealt successively, without replacement, from a standard 52-card deck. Find the probability of the event. black card dealt second, given a black card dealt first

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.