A community pool that is shaped like a regular pentagon needs a new cover for the winter months. The radius of the pool is 20 ft
. The pool is 24 ft on each side.
To the nearest square foot, the area of the pool that needs to be covered
is ____ft Sq ?
To the nearest square foot, the area of the pool that needs to be covered
is ____ft Sq ?
1 answer:
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The sum of squares of numbers is: 13
Step-by-step explanation:
Let x and y be two numbers
Then,
Difference of the squares of the numbers will be:
Product will be:
Given identity is:
Given values are:
Difference of the squares of the numbers=
Product of numbers = xy = 6
Putting the values in the identity
As we have to only find x^2+y^2
Taking square root on both sides
The sum of squares of numbers is: 13
Keywords: Identities
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