Asked by boi

triangles ABC and DEF are similar.
What is the legnth of side EF?

Triangle ABC:
Side Ab 3 cm
Side Bc 2 cm
Side Ca 5 cm

Triangle DEF
Side De 4.5 cm
Side Ef x
Side Fd 7.5 cm

what is the legnth of side ef
A 1.5 cm
B 4 cm***
C 3 cm
D 8.5 cm

Am i correct?
Answered by Haley
Does this question have pictures?
Answered by boi
what is the answer tho? Please help me!
Answered by Haley
Hold on Im figuring it out...
Answered by Haley
I agree with that- although Im not really sure. What does your text say?
Answered by NRyan
Where are the pics?
Answered by boi
I am un able to send the link to the pics! Sorry guys, but could you please help me?
God bless you!!
Answered by Ms. Sue
We can't help you without the pictures. And only a few of us tutors can post links.

Answered by boi
Oh, guys, the answer was 3 cm by the way
Answered by Reiny
Assuming you wrote down the vertices in the standard corresponding pattern, that is
A --> D
B --> E
C --> F , then
notice that 4.5/3 = 7.5/5 = 3/2

x/2 = 3/2
x = (3/2)(2) = 3
Answered by AKIRAA
Unit 5 Lesson 7: Unit Review
Practice Test: Applications of Proportions

1. A pack with 6 cans of juice costs 3.48. What is the unit rate?

3.48 ÷ 6 = ?.??
C) 0.58 per can

If you had trouble with this question, unit 5 lesson 1 (Ratios and Rates) will help.

2. Write and solve the proportion to find how much flour is needed to make 54 cookies.

Cross multiple: 2×54= ?, ?÷24=?
?=? ?/?
A) 2/24 = X/54; X=4 1/2 cups

If you had issues with this question, unit 5 lesson 2 (Proportions) will help.

3. What is the length of side EF?

C) 3cm

If you had issues with this question unit 5 lessons 3 and 4 (similar figures and ratios of similar figures) will help.

4. What are the coordinates if triangle A'B'C'?

B) A'(-4,4),B'(2,6),C'(-2,0)

If you had issues with this question unit 5 lesson 5 (Dilations) will help.

5. What is the actual distance?

1cm = 50km
1/50 = 6/X
50 × 6 = ???
C) 300km

If you had issues with this question unit 5 lessons 1 and 2 will help.

1.C
2.A
3.C
4.B
5.C

100%

Hope this helps anyone who finds it.
-AKIRAA
Answered by Hayleigh
LOL I came to this and I am past this right here I am unit 6 Lesson 8 at Conexus
Answered by The 100% correct answers
answers plz
Answered by (:
The answers for Unit 5 applications of proportions for the PRACTICE is

1 c
2 a
3 c
4 b
5 c
Answered by koolkid
@(: is 100% correct!
Answered by Jessica
@(: is 100% correct
Answered by Macy
Great! I got a 40% no thanks to ;).

But thx anyway I guess.
Answered by trippyluve
hey yall
Answered by scott the woz
scott here
Answered by Vee
AKIRAA is 100% correct :]
Answered by Anonymous
how do yall not know the answer ITS LITERALLY THEY ARE SIMILAR do yall not study god lee
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