Indirect Measurement
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
+3
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 determine the height or length of an object without directly measuring it, often using similar triangles or shadows.
Tags
CCSS.2.MD.A.1
2.
FLASHCARD QUESTION
Front
How can shadows be used to measure height?
Back
By comparing the lengths of shadows cast by two objects of known height, you can set up a proportion to find the height of an unknown object.
3.
FLASHCARD QUESTION
Front
If a 10-foot pole casts a shadow of 5 feet, what is the ratio of height to shadow length?
Back
The ratio is 10 feet (height) to 5 feet (shadow), which simplifies to 2:1.
Tags
CCSS.7.G.A.1
4.
FLASHCARD QUESTION
Front
A building casts a shadow of 50 feet while a 10-foot pole casts a shadow of 5 feet. How tall is the building?
Back
100 feet.
Tags
CCSS.HSG.SRT.A.2
5.
FLASHCARD QUESTION
Front
What is a scale in modeling?
Back
A scale is a ratio that compares the dimensions of a model to the dimensions of the actual object.
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
If a model car is built using a scale of 1 inch : 1.5 feet, how do you convert the model's length to the actual car's length?
Back
Multiply the model's length by the scale factor to find the actual length.
Tags
CCSS.7.G.A.1
7.
FLASHCARD QUESTION
Front
A model car is 10 inches long. How long is the actual car if the scale is 1 inch : 1.5 feet?
Back
15 feet.
Tags
CCSS.7.G.A.1
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