Calculating Triangle Area with SAS

This video tutorial from MooMooMath explains how to find the area of a triangle using the side-angle-side method. It provides the dimensions of a triangle with sides of 9 and 15 units and an angle of 110 degrees. The tutorial demonstrates how to use the formula 1/2 * side * side * sine(angle) to calculate the area, resulting in 63.429 square units. It also emphasizes the importance of ensuring the calculator is set to degree mode for accurate results.

What is the method used to find the area of a triangle when two sides and the included angle are known?

• Angle-Angle-Side

• Side-Angle-Side

• Side-Side-Side

• Angle-Side-Angle

Which formula is used to calculate the area of a triangle using the side-angle-side method?

• 1/2 times side times side times the cosine of the angle

• 1/2 times base times height

• 1/2 times perimeter

• 1/2 times side times side times the sine of the angle

What values are plugged into the formula to find the area of the triangle in the video?

• 9, 15, and the sine of 110 degrees

• 9, 15, and the sine of 90 degrees

• 15, 9, and the sine of 90 degrees

• 15, 9, and the cosine of 110 degrees

What is the calculated area of the triangle using the given sides and angle?

• 81.234

• 63.429

• 45.678

• 72.345

What should you ensure about your calculator settings when calculating the area using the side-angle-side method?

• It should be in radians mode

• It should be in standard mode

• It should be in degrees mode

• It should be in scientific mode