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anonymous
 5 years ago
The lengths of the sides of a triangle are 8, 11, and 14. Find the perimeter of a similar triangle whose longest side measures 21.
anonymous
 5 years ago
The lengths of the sides of a triangle are 8, 11, and 14. Find the perimeter of a similar triangle whose longest side measures 21.

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nikvist
 5 years ago
Best ResponseYou've already chosen the best response.0\[\frac{O_2}{O_1}=\frac{a_2}{a_1}=\frac{b_2}{b_1}=\frac{c_2}{c_1}=\frac{21}{14}=1.5\] \[O_2=1.5O_1=1.5(8+11+14)=49.5\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0can u explain to me how you got that ?

nikvist
 5 years ago
Best ResponseYou've already chosen the best response.0These triangls are similar. Similarity ratio is 21/14=1.5. Their perimeters are similar also.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0where did u get 1.5 ?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0where did u get that equation ?

nikvist
 5 years ago
Best ResponseYou've already chosen the best response.0longest side of 2nd triangle : longest side of 1st triangle = 21:14 =1.5

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0oh i understand now. thanks
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