Day 81

Similar polygons have angles that are _____________ and corresponding sides that are ____________.

• proportional, congruent

• congruent, proportional

• proportional, proportional

• congruent congruent

Two similar polygons have a similarity ratio of 3:5. If the perimeter of the larger polygon is 17.5 m, what is the perimeter of the smaller polygon?

• 50.25

• 50.25 m

• 10.5

• 10.5 m

Check all the theorems and postulates that prove triangles are similar.

• AA

• SSA

• SSS

• SAS

• HL

CDEF ~ WXYZ is a _______________

• congruence statement

• similarity statement

• scale factor

• statement of proportionality

Two rectangles have a similarity ratio of 3:8. The smaller rectangle has a width of 9 feet and a length of 15 feet. What is the length of the larger rectangle.

• 24 feet

• 24

• 40 feet

• 40

• Not enough information - cannot be deterimed

In the diagram (BD)/(DA) = (BE)/(EC). Triangles ABC and DBE are similar by _________

• AA

• SAS

• SSS

• Cannot Be Determined

In the diagram, (BD)/(DA) = (BE)/(EC). What is the length of BD?

• 12

• 9

• 36

• 24

In the diagram, (BD)/(DA) = (BE)/(EC). What is the length of BA?

• 12

• 9

• 36

• 24

A flagpole casts a shadow that is 50 feet long. At the same time, a woman standing nearby who is five feet four inches tall casts a shadow that is 40 inches long. How tall is the flagpole?

• 7 feet

• 67.5 inches

• 8 feet

• 80 inches

Find the value of x that makes triangle ABC ~ triangle DEF.

• 5

• 19/3 (6.3333)

• 7

• 17/3 (5.667)