Asked by Laruen

Ratio, Proportions, and Similarity

Similar Figures

A room is 36 ft long and 18 ft wide. What is the length to width ratio?

Answered by Ms. Sue
36/18 = 2/1 = 2:1


Answered by Laruen

Ratio, Proportions, and Similarity
Similar Figures

An isosceles triangle has a base of 8 inches and legs measuring 12 inches. How wide is the base of a similar triangle with legs measuring 36 inches?
36 x 8 = 288/12 = 24

right...???
Answered by Ms. Sue
Right.
Answered by Laruen

Ratio, Proportions, and Similarity
Similar Figures

A photo that is 8 in. wide and 12 in. long is enlarged to a poster. If the width is enlarged to 24 in., what is the length of the poster?

24 x 4 = 48/12 = 4

right....????
Answered by Ms. Sue
No. That answer doesn't make any sense. The length must be a lot longer than 12 in.
Answered by Laruen
12 x 8 = 96/24 = 4

right...?
Answered by Laruen
or...

12 x 24 = 288/8 = 36
Answered by Ms. Sue
Which is the only answer that makes sense?

Answered by Laruen
the second one
Answered by Ms. Sue
Of course.
Answered by Laruen
Ratio, Proportions, and Similarity

Similar Figures

Clyde makes a copy of an 8 in. x 10 in. photo, reducing it to 3/4 of its size. What are the dimensions of the new photo?

Ok... I REALLY don't get this question..
Please help...
Answered by Ms. Sue
3/4 * 8 = 24/4 = 6

3/4 * 10 = ?

Answered by Laruen
7 1/2?
Answered by Laruen
why can you just multiply 3/4 and 10 to get the answer?

why 3/4 * 8 = 24/4 = 6...??
Answered by Ms. Sue
Because you've reduced the size to 3/4 of its original size.
Answered by Laruen
oh ok

THANK YOU! :)

please reply my other math post

thank you! :)
Answered by Ms. Sue
You're welcome.
Answered by Laruen
please reply my math post
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