Find the perimeter of an isosceles trapezoid with legs equal 40, smaller base equals 25, and altitude equals 16

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Are the corresponding angles congruent? explain why or why not.