Geometry and Measurement Concepts

The video tutorial covers an introduction to construction math, focusing on geometry. It explains key concepts such as angles, triangles, and the importance of understanding these for various trades. The tutorial also covers common area units and formulas, including calculations for rectangles, squares, and circles. Additionally, it discusses the volume of three-dimensional shapes like cylinders and triangular prisms. The session concludes with review questions to reinforce learning.

What type of angle is 105°?

• Right angle

• Straight angle

• Obtuse angle

• Acute angle

What is the sum of the angles in a triangle?

• 90°

• 180°

• 270°

• 360°

Which of the following is a common area unit?

• Square inch

• Square foot

• Cubic inch

• Cubic foot

How is the area of a circle calculated?

• Diameter x Pi

• Base x Height

• Pi x Radius squared

• Length x Width

What is the formula for the volume of a cylinder?

• Pi x Radius squared x Height

• Base x Height x Depth

• Radius x Diameter x Height

• Length x Width x Height

How do you convert cubic feet to cubic yards?

• Divide by 27

• Multiply by 27

• Multiply by 3

• Divide by 3

What is the perimeter of a shape?

• The distance around the outside

• The area inside

• The volume inside

• The diagonal length

Calculate the area of a rectangle with dimensions 15.6 m by 22.3 m.

• 347.88 cubic m

• 75.8 square m

• 347.88 square m

• 75.8 cubic m

What is the formula for finding the circumference of a circle?

• 2 x Pi x Radius

• 2 x Pi x Diameter

• Pi x Diameter

• Pi x Radius

Which of the following is NOT a three-dimensional shape?

• Square

• Triangular prism

• Cube

• Cylinder