Indirect Measurement
Flashcard
•
Mathematics
•
7th - 9th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Indirect Measurement?
Back
Indirect measurement is a technique used to measure an object that is difficult to measure directly by using the properties of similar triangles.
2.
FLASHCARD QUESTION
Front
What is the formula for finding the height of an object using indirect measurement?
Back
Height = (Distance to object) x (Height of reference object) / (Distance to reference object)
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
3.
FLASHCARD QUESTION
Front
What is a similar triangle?
Back
Similar triangles are triangles that have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
4.
FLASHCARD QUESTION
Front
How can you use shadows to measure the height of a flagpole?
Back
By measuring the length of the shadow of the flagpole and a reference object, you can set up a proportion to find the height of the flagpole.
Tags
CCSS.HSG.SRT.C.8
5.
FLASHCARD QUESTION
Front
If a 5-foot tall person casts a 3-foot shadow, and a flagpole casts a 12-foot shadow, how tall is the flagpole?
Back
Using the proportion: (Height of person / Shadow of person) = (Height of flagpole / Shadow of flagpole), we find the height of the flagpole is 20 feet.
Tags
CCSS.HSG.SRT.C.8
6.
FLASHCARD QUESTION
Front
What is the importance of using indirect measurement in real life?
Back
Indirect measurement is important for measuring tall objects, such as buildings or trees, where direct measurement is impractical.
Tags
CCSS.2.MD.A.1
7.
FLASHCARD QUESTION
Front
What is the relationship between the angles of similar triangles?
Back
The corresponding angles of similar triangles are equal.
Tags
CCSS.HSG.SRT.A.2
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