Question

What is the value of x in the diagram?


A. one-half
B. Start Fraction 4 over 21 End Fraction
C. 2
D. 4

Answer 1

please post the diagram

Answer 2

which one can you eliminate

Answer 3

4/24?

Answer 4

which option

Answer 5

B i think

Answer 6

\(\color{#0cbb34}{\text{Originally Posted by}}\) @ah42632
B i think
\(\color{#0cbb34}{\text{End of Quote}}\)
correct

Answer 7

the only thing is i dont know how to work out this problem

Answer 8

Do you still need help?

Answer 9

\(\color{#0cbb34}{\text{Originally Posted by}}\) @MxxnLight
Do you still need help?
\(\color{#0cbb34}{\text{End of Quote}}\) she figures it out

Answer 10

\(\color{#0cbb34}{\text{Originally Posted by}}\) @ah42632
the only thing is i dont know how to work out this problem
\(\color{#0cbb34}{\text{End of Quote}}\)

since the triangles are similar, we can write it as a proportion

\(\dfrac{9}{12} = \dfrac{4x-2}{3x+2}\)

can you solve for x?

Answer 11

@jhonyy9 just want to confirm with you :)

Answer 12

I found an image that should help you see the ratios of sides in a similar triangle

Answer 13

\(\color{#0cbb34}{\text{Originally Posted by}}\) @AZ
\(\color{#0cbb34}{\text{Originally Posted by}}\) @ah42632
the only thing is i dont know how to work out this problem
\(\color{#0cbb34}{\text{End of Quote}}\)

since the triangles are similar, we can write it as a proportion

\(\dfrac{9}{12} = \dfrac{4x-2}{3x+2}\)

can you solve for x?
\(\color{#0cbb34}{\text{End of Quote}}\)
yes this is the way - use the proportionality of corresponding sides

Answer 14

To solve it, you have to cross multiply

Answer 15

\(\color{#0cbb34}{\text{Originally Posted by}}\) @AZ
To solve it, you have to cross multiply
\(\color{#0cbb34}{\text{End of Quote}}\)
exactly - perfect job