3.05/3.06 Sem 2 Area of Triangles

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Multiple Choice

Why is it important to learn how to find the area and side lengths of triangles in real-life situations?

• Because triangles are only used in math class

• Because understanding triangles helps in fields like engineering and architecture

• Because triangles are the easiest shape to draw

• Because triangles are not used outside of school

Multiple Choice

Why does $$A=\frac{1}{2}bh$$ shown for finding the area of a triangle work?

• The method uses the triangle's height and base length only.
• Because rectangles can be divided into 2 triangles.

• It relies on the triangle's perimeter for area calculation.
• The method is based on the triangle's angles and their sum.

Multiple Choice

What is the area of the yellow triangle in square feet?

• 90

• 180

• 45

• 60

Multiple Choice

The dashed line (----) tells you the height.

• True

• False

Multiple Choice

Which of the following formulas can be used to find the area of the black-outlined parallelogram banner and the red and blue triangles?

• Area = base × height for parallelogram, Area = 1/2 × base × height for triangle

• Area = 1/2 × base × height for parallelogram, Area = base × height for triangle

• Area = base + height for parallelogram, Area = base + height for triangle

• Area = base × height for both parallelogram and triangle