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1. Triangle ABC is similar to triangle DEF. The length of line BC is 21 cm. The length of line DE is 10 cm. The length of line EF is 14 cm. What is the length of line AB?

1. Triangle ABC is similar to triangle DEF. The length of line BC is 21 cm. The length of line DE is 10 cm. The length of line EF is 14 cm. What is the length of line AB?
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5 votes
1. Triangle ABC is similar to triangle DEF. The length of line BC is 21 cm. The length of line DE is 10 cm. The length of line EF is 14 cm. What is the length of line AB?

asked
User Ashelkov
by
9.1k points

1 Answer

4 votes
BC/EF=AB/DE
21/14=AB/10=3/2
AB=15
answered
User Yeronimo
by
7.6k points
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