Similar Triangles and Direct Measurement

Find the width of the river. (d)

• 28.8 feet

• 500 feet

• 45 feet

• 0.002 feet

Matching sides are called

• Corresponding Sides

• Corresponding Angles

• The Same

• Congruent Sides

• 5
• 10
• 12
• 15

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet

• 21 feet

• 27 feet

• 32 feet

• 28.8 feet

• 500 feet

• 45 feet

• 0.002 feet

Are these triangles similar?

• Yes

• No

Are the triangles similar?

• Yes

• No

• 6.25
• 5.5
• 6
• 5.75

Are these triangles similar?

• Yes

• No

• 8ft

• 9.5ft

• 10ft

• 10.5ft