Square Root Of 1980 In Simplest Radical Form

Simplify the square root of 1980 to its lowest radical form.

ANSWER: 6√55

6√55 is in the lowest radical form.

Simplified Radical Form of √1980

One of the main facts used to simplify square roots is that the square root of a product is equal to the product of square roots: √(x×y) = √x×√y

Explanation:

When we find square root of any number, we take one number from each pair of the same numbers from its prime factorization and we multiply them.

Step 1: List Factors

To simplify √1980, we need to divide into factors.

√1980 = √2 x √2 x √3 x √3 x √5 x √11

Step 2: List Perfect Squares

1 is a perfect square and divides 1980
4 is a perfect square and divides 1980
9 is a perfect square and divides 1980
36 is a perfect square and divides 1980

Step 3: Divide To Perfect Square

Divide 1980 by the largest perfect square you found in the previous step:

Step 4: Calculate The Square Root

Calculate the square root of the largest perfect square:

Final Step :

Put Steps 3 and 4 together to get the square root of 1980 in its simplest form: 6√55

How do you simplify √1980

The general approach is to first check if it is a perfect square. If so, you have the answer. If it is not a perfect square, see if any of its factors are perfect squares, or can be combined to make square numbers.

Find the lowest prime number that can divide 1980. Divide 1980 repeatedly using the long division method till you reach 1.

A pair of factor 'twins' under a square root sign (radical) form a single factor outside of it.

Factors that do not have a twin remain under the radical. Multiply them back together and leave them in there.

So, the answer is 6√55.

Simplified Decimal Form of √1980

The square root of 1980 is approximately 44.497 when expressed in decimal form.

Calculation Table:

Square Root Answer Calculation
√21 Square root of 21 is the simplest radical form. √3 x √7
√15 Square root of 15 is the simplest radical form. √3 x √5
√31 Square root of 31 is the simplest radical form. √31
√333 3√37 √3 x √3 x √37
√235 Square root of 235 is the simplest radical form. √5 x √47
√313 Square root of 313 is the simplest radical form. √313
√4521 Square root of 4521 is the simplest radical form. √3 x √11 x √137
√2930 Square root of 2930 is the simplest radical form. √2 x √5 x √293
√1250 25√2 √2 x √5 x √5 x √5 x √5

Convert any root forms to simplest radical form.

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