Illustrative Math Geometry

Which of the following is not a postulate use to prove triangle congruence?

• SSA

• SAS

• ASA

• SSS

What is the correct choice for Reason 4?

• ⊿GHI ≅ ⊿JKL

• ⊿GHI ≅ ⊿KLJ

• ⊿GHI ≅ ⊿LJK

• ⊿GHI ≅ ⊿LKJ

Find the value of x using proportions.

• a

• b

• c

• d

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

What is the measure of x?

• 12

• 15

• 6

• 9

Find the measure of QR

• 11

• 22

• 24

• 55

Find the measure of the indicated angle.

Solve for x. 

• 10√3

• 15

• 5√3

• 15√2

In this 30-60-90 triangle, what is the length of the long leg?

• 6√2

• 3√3

• 12

• 6√3