Question

The area of a rectangle is the product of width and length. If a rectangle has length 12m√21m and width √16m which of the following is the area of the rectangle?

Answer 1

a=l*b
\[a=12\sqrt{21} *\sqrt{16}\]

Answer 2

can you give me option

Answer 3

I dont have options

Answer 4

\[A=12\sqrt{21}\times \sqrt{16}\]
\[=12\sqrt{21}\times4\]
\[=48\sqrt{21}\] metres

Does that make sense?