Question

Help me to make sense of this problem?
best answer rewarded.

Answer 1

you can calculate the area of the triangle separately using the formula
\[Area=\frac{ 1 }{ 2 }*base*height\]
then you can calculate the are of the semi circle using the formula
\[Area of semicircle =\frac{ \pi r^{2} }{ 2 }\]
finally add these to get the area of the total figure

Answer 2

Half of what?