Given: the coordinates of triangle pqr are (0,0), q(2a,0), and r(2b,2c). prove: the line containing the midpoints of two sides of a triangle is parallel to the third scale.
as part of the proof find the midpoint of qr

a) (a-b, c)
b) (a+b, c)
c) (a, c)
d) (b, c)

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply