During a concert, 150 seats in theater were filled. this represents 75% of the total seats in the theater. write a proportion you could use to find the total number of seats. how many total seats are there? show your work. make it quick it is urgent you

1. are the triangles similar and if so why? what is the value of x? show your work.

Given right triangle xyz, which correctly describes the locations of the sides in relation to

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2