Similarity Indirect Measurement

At the same time a 6 foot person casts a 2 foot shadow, a nearby flagpole casts a ten foot shadow.  How tall is the flagpole?

• 3 feet

• 10 feet

• 16 feet

• 30 feet

• 6.25
• 5.5
• 6
• 5.75

A power pole 10 m tall casts a shadow 8 meters long, at the same time that a building nearby casts a shadow 14 m long.  How tall is the building?

• 9 m

• 15.2 m

• 12 m

• 17.5 m

Are the triangles similar?

• Yes

• No

Are the two triangles Similar?  

• Yes, by the SSS postulate

• Yes, by the SAS postulate

• Yes, by the AA postulate

• No, they are NOT similar 

Find AE

• 12.5

• 18

• 11.75

• 13

Find the value of x.

• 17.5

• 10

• 7

• 17

The length of the sides of two similar triangles are in the ratio of 2:3. If the area of the larger triangle is 45 cm², find the area of the smallest triangle.

• 30 cm²

• 15 cm²

• 10 cm²

• 20 cm²

What is the measure of x?

• 12

• 15

• 6

• 9

Choose the correct scale factor if NDMP is the original and N'D'M'P'

• 2

• 3

• 1/3

• 1/2