Use 45 45 90 triangle to determine the height for the area of a parallelogram

The video tutorial explains how to calculate the area of a parallelogram by identifying its base and height. It emphasizes the use of special right triangles, specifically the 45-45-90 triangle, to determine the height. The tutorial walks through the process of calculating the area using the formula base times height, and demonstrates how to handle the calculations involving square roots. The final area is calculated and expressed in square yards.

What is the base of the parallelogram as identified in the video?

• 10

• 12

• 14

• 16

Which type of triangle is used to determine the height of the parallelogram?

• 60-60-60

• 45-45-90

• 30-60-90

• 30-30-120

In a 45-45-90 triangle, how do you find the length of a leg if you know the hypotenuse?

• Multiply by sqrt 2

• Multiply by 2

• Divide by sqrt 2

• Divide by 2

What is the calculated area of the parallelogram rounded to two decimal places?

• 69.30

• 67.50

• 71.20

• 65.30

What unit is used for the area in the final calculation?

• Square feet

• Square meters

• Square yards

• Square inches