Question

solve these questions and get brainlist please help​

Answer 1

Step-by-step explanation:

Answer (i)

Perimeter of figure = Peumeter of Rect. + circumference of semicircle

$\[ \begin{array}{l} \displaystyle\rm=2(l)+b+\frac{2 \pi r}{2} \\ \\ \displaystyle\rm=2(12)+6+\frac{22}{7} \times 3 +\frac{22}{7} \times 3 \\ \\ \displaystyle =30+\frac{22}{7} \times 3 \\ \\ \displaystyle\rm=30+9.428 \\ \\ \displaystyle\rm=39.428 m \\ \\ \boxed{\color{green} \displaystyle\rm\text { Perimeter }=39.428 m} \end{array} \]$