Question

Which of the following is the area of the red region in sq units? b 1​

Answer 1

Answer:

Theareaoftheredregion

\green {= 9 \:square \: units}=9squareunits

Explanation:

\blue{Number \: of \:red \: squares }Numberofredsquares

\blue{in \: each \:row:}ineachrow:

\begin{gathered} \begin {tabular}{|c|c|}\\\cline{1-2} row&number of red squares \\\cline{1-2} 1&1\\\cline{1-2} 2&2\\\cline{1-2} 3&4\\\cline{1-2} 4&2\\\cline{1-2} Total &9\\\cline{1-2} \end {tabular}\end{gathered}