Question

A rectangle is 2 √7 feet wide and 3 √7 feet long. What is the area, in square feet, of

the rectangle?

Answer 1

`42ft^(2)`

Explanation:

`2√(7)` ×
`3√(7)`

Multiply the numbers outside the root and inside the root.

`2x3=6`
`7x7=49`

`6√(49)`

Simplify whats under the root

`√(49) = 7`

`6`×
`7=42`