Area of Triangles

What is the formula for calculating the area of a right-angled triangle?

• Area = (base + height) / 2

• Area = base x height

• Area = (base x height) / 2

• Area = base + height

If a right-angled triangle has a base of 6 cm and a height of 4 cm, what is the area of the triangle?

• 24 cm²

• 8 cm²

• 12 cm²

• 10 cm²

In a construction project, the formula A = 1/2 * base * height is used to calculate the area of a triangular roof. What does the '1/2' represent?

• The number of sides in a triangle

• The square root of the base

• The factor used to calculate the area of a triangle.

• The value of pi

If a right-angled triangle has an area of 20 square units and a height of 5 units, what is the base of the triangle?

• 8

• 4

• 15

• 10

What is the base of a right-angled triangle if the area is 24 square meters and the height is 8 meters?

• 12 meters

• 6 meters

• 10 meters

• 4 meters

If a right-angled triangle has an area of 45 square cm and a base of 9 cm, what is the height of the triangle?

• 5 cm

• 15 cm

• 10 cm

• 20 cm

What is the height of a right-angled triangle if the area is 30 square units and the base is 10 units?

• 15

• 8

• 20

• 6

If a right-angled triangle has a base of 12 cm and a height of 9 cm, what is the area of the triangle?

• 21 cm²

• 36 cm²

• 54 cm²

• 45 cm²

In a construction project, which side of a right-angled triangle is typically considered as the base?

• The longest side

• The side adjacent to the right angle

• The side opposite the right angle

• The hypotenuse

What is the height of a right-angled triangle if the area is 36 square meters and the base is 12 meters?

• 24 meters

• 10 meters

• 4 meters

• 6 meters