Question

The rectangles shown are similar.



What is the value of x?



VHS_PA_S2_01_L216_L316_Q6.gif









A.

8








B.

6








C.

10








D.

54

Answer 1

i am thinking the answer is 6

Answer 2

We can set up a proportion.

\(\dfrac{12}{4} = \dfrac{18}{x}\)

Cross multiply and solve for 'x'

Answer 3

That gives us:

\(12x = 72\)

Now divide 12 to both sides, what's 72 / 12?

Answer 4

Yes, 6 is correct.