Understanding the Area of a Triangle

What is the definition of the area in geometry?

• The length of the sides of a shape

• The measurement of the surface of a shape

• The perimeter of a shape

• The volume of a three-dimensional object

Which of the following is the correct formula for the area of a triangle?

• Area = base * height

• Area = base * height / 2

• Area = base * height * 2

• Area = base + height

In the formula for the area of a triangle, what does the 'base' refer to?

• The angle of the triangle

• The height of the triangle

• The side on which the triangle stands

• The longest side of the triangle

If a triangle has a base of 8 inches and a height of 7 inches, what is its area?

• 112 square inches

• 28 square inches

• 56 square inches

• 14 square inches

Why is the area of a triangle expressed in square units?

• Because it is calculated using angles

• Because it is a two-dimensional measurement

• Because it involves multiplying three sides

• Because it is a three-dimensional measurement