Calculating Areas of Geometric Shapes

What is the area of a rectangle with a length of 8 feet and a width of 5 feet?

• 45 square feet

• 20 square feet

• 40 square feet

• 13 square feet

How do you calculate the area of an equilateral triangle with all sides measuring 10 units?

• 100 square units

• 25 root 3 square units

• 50 square units

• 25 square units

What formula is used to find the area of a circle given its radius?

• 2 * pi * radius squared

• pi * radius squared

• 2 * pi * radius

• pi * radius

What is the area of a sector with a 60-degree angle in a circle of radius 10?

• 50 pi / 3 square units

• 25 pi square units

• 50 pi square units

• 100 pi square units

How do you find the area of a parallelogram with a base of 8 and a height of 12?

• 96 square units

• 20 square units

• 120 square units

• 60 square units

What is the area of a trapezoid with bases of 10 and 20, and a height of 8?

• 80 square units

• 120 square units

• 160 square units

• 240 square units

What is the area of a rhombus with diagonals of 10 and 24?

• 60 square units

• 12 square units

• 240 square units

• 120 square units

Using Heron's formula, what is the area of a triangle with sides of 9, 10, and 11?

• 30 root 2 square units

• 30 square units

• 60 square units

• 45 square units

Given a square's diagonal is 10 root 2, what is the area of the square?

• 200 square units

• 150 square units

• 50 square units

• 100 square units

How do you calculate the area of the shaded region in a circle with a radius of 8 and an inscribed right triangle?

• 64 pi - 32 square units

• 32 square units

• 32 pi square units

• 64 pi square units