Exploring the Area of Triangles

What is the formula to calculate the area of a triangle?

• Area = base + height

• Area = 1/2 base x height

• Area = base x height

• Area = (base + height) / 2

What property allows us to find the area of a triangle by taking half the product of its base and height?

• Commutative property of multiplication

• Property of congruent triangles

• Associative property of multiplication

• Distributive property

If a triangle has a base of 6 units and a height of 4 units, what is its area?

• 12 square units

• 20 square units

• 24 square units

• 10 square units

How do you calculate the area of a triangle with a base of 12.1 units and a height of 6.4 units?

• 48.8 square units

• 24 square units

• 77.44 square units

• 38.72 square units

What is the area of a triangle with a base of 9 units and a height of 7 units?

• 63 square units

• 31.5 square units

• 22.5 square units

• 45 square units

Given an area of 20 square units and a height of 6 units, what is the base of the triangle?

• 8 units

• 6.67 units

• 10 units

• 12 units

When given the area and one dimension (base or height), what additional step is necessary to find the missing dimension?

• None of the above

• Multiply the area by 2

• Subtract the given dimension from the area

• Divide the area by the given dimension

If the area of a triangle is 40 square units and the height is 8 units, what is the base?

• 5 units

• 15 units

• 10 units

• 20 units

To find the height of a triangle when given the base of 12 units and an area of 72 square units, what is the height?

• 6 units

• 12 units

• 18 units

• 24 units

What is the missing length of the bottom part of the tent if the height is 3 feet and the area is 7.5 square feet?

• 5 feet

• 7.5 feet

• 10 feet

• 2.5 feet