Answer:
x = 10.5 in
Step-by-step explanation:
The rectangles are similar, thus the ratios of corresponding sides are equal.
that is
=
( cross- multiply )
2x = 21 ( divide both sides by 2 )
x = 10.5
Answer: 20
Step-by-step explanation:
By CPCTC,

(2,0) (5.0) (5,3) (2,3)
(2,0) (-1,0) (2,3) (-1,3)
These are all of the possible ratios:
- 1:3
- 8:24
-4:12
-2:6
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12. The answer is 12 because two x 6 is twelve awesome