Approximating Irrational Numbers

Front

The square root of 20 is between which two consecutive integers?

Back

4 & 5

Front

A square has an area of 68. The length of one side of the square is between which two consecutive whole numbers?

Back

8 and 9

Front

Square roots are the opposite of ____________.

Back

Squaring

Front

What is the area of a square with a side of 7?

Back

49

Front

The area of a square is 36 cm². What is the length of one side?

Back

6 cm

Front

What is the formula for the area of a square?

Back

Area = side × side (A = s²)

Front

If the area of a square is 81 cm², what is the length of one side?

Back

9 cm

Front

What is the approximate value of √50?

Back

Between 7 and 8

Front

What is the relationship between the side length of a square and its area?

Back

The area is the square of the side length.

Front

If √x = 5, what is the value of x?

Back

25