Find the perimeter and area of the given Figure. \(\left( \pi =\frac { 22 }{ 7 } \right) \)

Find the area of the blue shaded and the grey shaded part of the given Figure. (π = 3.14)

Thiyagu has fixed a door for the entrance of his house which is in the shape of a semicircle over a rectangle. The total height and width of the door is 9 feet and 3.5 feet respectively. Find the area of the door. \(\left( \pi =\frac { 22 }{ 7 } \right) \)

Nishanth has a key-chain which is in the form of an equilateral triangle and a semicircle attached to a square of side 5 cm as shown in the Figure. Find its area.(π = 3.14, √3 = 1.732)

Find the area of the door mat whose measures are as given in the Figure
(π = 3.14)