An amusement park offers an entrance fee discount of 20% to children under 6 years of age and seniors 65 or older. What is the r
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Answer:
Step-by-step explanation:
Here is the exact construction of √40 using Pythagorean 's theorem
check the picture below.
so, we know the dimensions of the pool, is a 20x10, so its area is simply 200 ft², and we know the walkway is 216 ft², so the whole thing, including pool and walkway is really 200 + 216 ft².
now, as you see in the picture, the dimensions for the combined area is 20+2x and 10+2x, since the walkway is "x" long, therefore,
notice, it cannot be -18, since is a positive length unit.
