19. given that the lines are parallel, what angle is congruent to angle 6?
20. given that the lines are parallel, what angles are congruent to angle 1?
21. the types of geometry that mathematicians study are:
a. euclidean
b. non-euclidean
c. both euclidean and non-euclidean
d. there are many types

22.using the figures below, what is the next shape in the pattern?

1c-2 m405 what values are needed to make each expression a perfect square trinomial? 32 + 2x+ 2-20x + 22+5x+

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.