The floorplan of a house is shown below. The lengths of the house’s sides are given; the length of the left side is unknown. The
perimeter of the house is 160 feet. How long is the left side of the house?
1 answer:
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Answer:
Step-by-step explanation:
Use the Quadratic formula:
You can identify that, in this case:
Now you need to substitute these values into the formula:
Remember that:
Therefore,rewriting and simplifying, you get:
Then, you get the following roots: