It so happens that squares and square roots (as well as other powers and roots) frequently occur in different scientific problems - physics, for example. An engineer must know such things. (Engineerings is basically "applied science".) If you are not planning to work in an engineering field, you'll probably not use much square roots, or other advanced math.
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A square of shingles covers 100 square feet. So, you need 1732/100=17.32 square of shingles. If you can only buy whole number squares of shingles, you will need 18 squares of shingles to cover 1732 square feet.
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You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.You don't need square roots for this, and there is no use for them in this context. You simply divide both sides of the equation by 2.
A pyramid need not have any square faces. It can have at most one.
They have the same number of sides, namely 4. A square is a special case of a parallelogram. All squares are also parallelograms but all parallelograms need not be squares.