1.use the figure to answer the question. name a pair of vertical angles
a. ∠2 and ∠5
b.∠2 and ∠6
c.∠3 and ∠4
d. ∠5 and ∠6

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Write a similarity statement for the similar triangles. afgh ~ a