A concave parallelogram B concave quadrilateral
C convex quadrilateral
D regular pentagon

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

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