Composite Area

What is the perimeter of an irregular shape if one side is calculated as 11 units by adding 6 and 5, and the opposite side is 7 units, with the remaining sides being 12 and 5 units?

• 33 units

• 46 units

• 41 units

• 50 units

How do you calculate the area of a semi-circle with a radius of 3 units?

• 6π square units

• 18π square units

• 4.5π square units

• 9π square units

What is the total area of a figure consisting of a rectangle and a semi-circle, where the rectangle's area is 30 square units and the semi-circle's area is approximately 14.1 square units?

• 54.1 square units

• 40 square units

• 44.1 square units

• 60 square units

Using the Pythagorean theorem, what is the hypotenuse of a right triangle with sides of 9 and 8 units?

• 12.04 units

• 15 units

• 10 units

• 17 units