In the figure below, the triangle on top has been transformed to the one on the bottom by a 90° counterclockwise rotation about .

figure

a. Complete the congruence statement.

△BUT ≅ △ _

b. Explain how you know that the triangles are congruent.

Which math sentence can be used to determine if the triangle is a right triangle?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?