Ratio, Proportions, and Similarity

Question

Similar Figures

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

Answer 1

36/18 = 2/1 = 2:1

Answer 2

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...???

Answer 3

Right.

Answer 4

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....????

Answer 5

No. That answer doesn't make any sense. The length must be a lot longer than 12 in.

Answer 6

12 x 8 = 96/24 = 4

right...?

Answer 7

or...

12 x 24 = 288/8 = 36

Answer 8

Which is the only answer that makes sense?

Answer 9

the second one

Answer 10

Of course.

Answer 11

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...

Answer 12

3/4 * 8 = 24/4 = 6

3/4 * 10 = ?

Answer 13

7 1/2?

Answer 14

why can you just multiply 3/4 and 10 to get the answer?

why 3/4 * 8 = 24/4 = 6...??

Answer 15

Because you've reduced the size to 3/4 of its original size.

Answer 16

oh ok

THANK YOU! :)

please reply my other math post

thank you! :)

Answer 17

You're welcome.

Answer 18

please reply my math post