Geometry Concepts and Calculations

This video tutorial covers the calculation of circumference and area of circles, the area of composite shapes, and the surface area and volume of various prisms. It also explores advanced geometry problems and practical applications of geometry in real-world scenarios.

What is the formula for the circumference of a circle?

• Diameter squared

• Radius times pi

• Diameter times pi

• Radius squared

If the radius of a circle is 7 meters, what is the diameter?

• 14 meters

• 7 meters

• 21 meters

• 28 meters

Using pi as 3.14, what is the circumference of a circle with a diameter of 14 meters?

• 43.96 meters

• 44.96 meters

• 46.96 meters

• 45.96 meters

What is the area of a circle with a radius of 7 meters using pi as 3.14?

• 150.86 square meters

• 153.86 square meters

• 156.86 square meters

• 159.86 square meters

What is the circumference of a circle with a diameter of 12 feet?

• 37.68 feet

• 38.68 feet

• 36.68 feet

• 39.68 feet

What is the area of a circle with a radius of 6 feet using pi as 3.14?

• 112.04 square feet

• 110.04 square feet

• 113.04 square feet

• 111.04 square feet

How do you calculate the area of a triangle?

• Base times height

• Base times height divided by two

• Base plus height

• Base plus height divided by two

What is the area of a semicircle with a radius of 8 meters using pi as 3.14?

• 101.48 square meters

• 102.48 square meters

• 103.48 square meters

• 100.48 square meters

What is the total area of a composite shape consisting of a triangle and a semicircle?

• 181.48 square meters

• 179.48 square meters

• 180.48 square meters

• 178.48 square meters

How do you calculate the area of a rectangle?

• Length times width

• Length plus width divided by two

• Length plus width

• Length times width divided by two