Question



6.   The two rectangles in the figure are similar. What is the value of x? 

      A. 29.4  B. 15  C. 6.7
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Answer 1

The answer is easily 15 as 21/14 is 1.5 then you multiply 1.5 tines 10 which gives you 15.Hopefully this helps.

Answer 2

B. 15

Explanation:

We can write a proportion to solve

14 10

------ = ------

21 x

Using cross products

14x = 21*10

14x =210

Divide each side by 14

14x/14 = 210/14

x =15