Ratio, Proportions, and Similarity
Similar Figures
A room is 36 ft long and 18 ft wide. What is the length to width ratio?
36/18 = 2/1 = 2:1
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...???
Right.
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....????
No. That answer doesn't make any sense. The length must be a lot longer than 12 in.
12 x 8 = 96/24 = 4
right...?
or...
12 x 24 = 288/8 = 36