Given: angles ABC is a right angle and angles DEF is a right angle. Prove: All right angles are congruent by showing that angles ABC congruent angles DEF.

What are the missing reasons in the steps of the proof?

A: Def. of right angle, def. of congruent, def. of equal, def. of 90°

B: Identity prop., reflexive prop., subtitution prop., symmetric prop.

C: Def. of congruent angles, def. of equal angles, substitution prop., symmetric prop.

You are responsible for designing a new city. you are inspired by pierre charles l'enfant, who laid out the streets of our nation's capital. numbered streets run north and south, and lettered streets run east and west. avenues are named after states, and they intersect the streets on a diagonal. the streets are parallel and the intersections form similar triangles. 18th st. is 454 meters long and the intersection of 18th and k st. is 207 meters from connecticut ave. if 19th st. and k st. is 385 meters from connecticut ave., what is the length of 19th st.?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.