Jefferson High School is looking to expand its student parking lot by expanding the existing lot as shown above. The size of the
new parking lot will be twice the size of the old parking lot. How many feet, x, was the old parking lot expanded by?
1 answer:
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Answer:
x = 20
Step-by-step explanation:
Since the triangles are similar then the ratios of corresponding sides are equal, that is
=
( cross- multiply )
9x = 180 ( divide both sides by 9 )
x = 20