Please help with the question below!

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

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units