3 years ago

Solve using proportions.

Mathematics

1 answer:

denis23 [38]3 years ago

3 0

Answer:

7.8 = k

Step-by-step explanation:

Since the figures are similar, we can use proportions

c k

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

b j

Substituting the values in

6.5 k

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

4 4.8

Using cross products

6.5 * 4.8 = 4k

31.2 = 4k

Divide each side by 4

31.2/4 = 4k/4

7.8 = k

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