Determine Area of Triangle on Coordinate Plane

Calculate the area of the right triangle. Figure is not drawn to scale.

What is the area of the triangle?

A triangle has vertices at a (-2, -4), B (-1, 3), and C (4, -4) in the coordinate plane. What is the area of the triangle?

Mathematical Equivalence

ON

On a coordinate plane, a triangle has vertices at (2,2), (8,2), and (2,6). What is the area of this triangle?

• 12 square units

• 18 square units

• 24 square units

• 30 square units

A triangle has vertices at (1,1), (4,1), and (1,5). Calculate the area of this triangle.

• 6 square units

• 12 square units

• 9 square units

• 3 square units

On a coordinate plane, a triangle has a base of 12 units and a height of 2 units. What is the area of the triangle?

• 12 square units

• 24 square units

• 10 square units

• 12 square units

If a triangle on a coordinate plane has a base of 11 units and a height of 3 units, what is its area?

• 16.5 square units

• 33 square units

• 21 square units

• 16.5 square units

What is the area in square units of the triangle in the coordinate plane below?

• 6

• 9

• 12

• 18

• It cannot be determined with the given information

On a coordinate plane, a triangle has a base of 5 units and a height of 8 units. What is the area of the triangle?

• 20 square units

• 40 square units

• 30 square units

• 10 square units

What is the area of △ABC?

• 6 square units

• 12 square units

• 28 square units

• 56 square units