Triangle abc is similar to triangle def

Asked by maham237 @ in Mathematics viewed by 271 People

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

Answered by maham237 @


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


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