If triangle ABC is similar to triangle DEF, then what is the value of x?

Triangle A B C and triangle D E F are drawn. Side A C is labeled 6. Side B C is labeled 10. Side D F is labeled x. Side E F is labeled 5.

2

3

25/3

12

If triangle ABC is similar to triangle DEF, then what is the value of x?

Triangle A B C and triangle D E F are drawn. Side A C is labeled 6. Side B C is labeled 10. Side D F is labeled x. Side E F is labeled 5.

2

3

25/3

12

Question

Mathematics

Hannah

3 May, 21:05

If triangle ABC is similar to triangle DEF, then what is the value of x?

Triangle A B C and triangle D E F are drawn. Side A C is labeled 6. Side B C is labeled 10. Side D F is labeled x. Side E F is labeled 5.

2

3

25/3

12

If triangle ABC is similar to triangle DEF, then what is the value of x?

Triangle A B C and triangle D E F are drawn. Side A C is labeled 6. Side B C is labeled 10. Side D F is labeled x. Side E F is labeled 5.

2

3

25/3

12

+2

Answers (1)

Know the Answer?

Everett Wu · Answer 1

AC / BC = DF / EF

AC = 6

BC = 10

EF = 5

DF = x

time to sub

6/10 = x/5 ... this is a proportion, so we cross multiply

(10) (x) = (6) (5)

10x = 30

x = 30/10

x = 3 <===DF = 3