Measuring Tall Objects with Shadows

What natural structure was used as an example to explain the use of similar triangles in measuring heights?

• The Great Pyramid

• Stonehenge

• The Eiffel Tower

• The Leaning Tower of Pisa

Tags

CCSS.HSG.SRT.A.2

What is the height of the meter stick used in the example?

• 1.5 meters

• 2 meters

• 0.5 meters

• 1 meter

Tags

CCSS.2.MD.A.3

How long is the shadow cast by the meter stick?

• 2.8 meters

• 3 meters

• 2 meters

• 2.5 meters

Tags

CCSS.2.MD.A.3

What is the proportion used to calculate the height of the stone in Stonehenge?

• Shadow of stone / Height of stone

• Height of stone / Shadow of stone

• Height of meter stick / Shadow of meter stick

• Shadow of meter stick / Height of meter stick

Tags

CCSS.HSG.SRT.C.8

What other tall objects can be measured using similar triangles and shadows?

• Trees and flagpoles

• All of the above

• Mountains

• Skyscrapers

Tags

CCSS.HSG.SRT.A.2

What is the length of the flagpole's shadow?

• 12 meters

• 8 meters

• 15 meters

• 10 meters

Tags

CCSS.HSG.SRT.C.8

What is the calculated height of the flagpole?

• 8 meters

• 6 meters

• 10 meters

• 4 meters

Tags

CCSS.8.G.B.8

What is the proportion used to find the height of the flagpole?

• Shadow of meter stick / Height of meter stick

• Height of meter stick / Shadow of meter stick

• Shadow of flagpole / Height of flagpole

• Height of flagpole / Shadow of flagpole

Tags

CCSS.HSG.SRT.C.8

What method is suggested for students to measure the height of their house?

• Using a ladder

• Using a drone

• Using the shadow method

• Estimating visually

What activity is planned for the next class session?

• A field trip to a historical site

• Watching a documentary

• A test on mathematics

• Measuring objects outside