When two planes intersect, their intersection forms which geometric figure.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out