The ratio of corresponding sides of two similar triangles is 6 : 13. What is the perimeter ratio?
Options
A
13 : 6
B
6 : 13
C
26 : 12
D
12: 26
Answer & Analysis
Answer
B
Analysis
Question Analysis
This question focuses on the relationship between the perimeters of similar triangles. Given the ratio of corresponding side lengths, the main task is to find the ratio of their perimeters.
Key Concept Explanation
For similar triangles, the ratio of the perimeters is equal to the ratio of the corresponding side lengths. This is because the perimeter of a triangle is the sum of its side lengths. If each side of one triangle is in a ratio with the corresponding side of a similar triangle, then the sum of those sides (the perimeter) will also be in the ratio .
Step - by - Step Solution
1. Let the side lengths of the first triangle be , , and the side lengths of the second triangle be , , .
We know that .
2. The perimeter of the first triangle , and the perimeter of the second triangle .
Then
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