Unit 4, Lesson 2
Square Roots and Cube Roots
Algebra 2
2.1
Warm-up
It’s a Square
Find the area of square
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Find the area of square
Complete the table. Give the area of each square in square units, and give its exact side length in units.
| figure | A | B | C | D | E |
|---|---|---|---|---|---|
| area | 1 | ||||
| side length | 1 |
This table includes areas in square units and side lengths in units of some more squares. Complete the table.
| area | 9 | 23 | 89 | ||
|---|---|---|---|---|---|
| side length | 4 | 6.4 |
If a square has a side length of
Similarly, if a cube has an edge length of