Similar Right Triangles

To solve for x, do you use:

Altitude Rule or Leg Rule?

• Altitude Rule

• Leg Rule

Complete the similarity statement.

Solve for x. Round to the nearest tenth if necessary.

Mathematical Equivalence

ON

Write a proportion to find the value of x.

Mathematical Equivalence

ON

To find the clearance under an overpass, you need to find the height of a vertical concrete support beam. You use a cardboard square to line up the top and bottom of the beam. Your friend measures the vertical distance from you to the beam. What is the approximate height of the beam?

• 9.5 feet

• 47.6 feet

• 3.6 feet

• 14.5 feet

• 8.6 feet

What is the value of x?

Round to the nearest tenth

Mathematical Equivalence

ON

Identify the correct similar triangles

Complete the similarity statement

Which triangles are similar?

Should select 3.

• ∆TUS

• ∆RUT

• ∆SUT

• ∆RTS

Solve for y. Round to the nearest tenth. (a)  

• y = 6.9

• y = 48

• y = 24

• y = 6