🔵 Classwork 504 - Area of Triangles and Parallelograms

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

How do you find the area of a triangle with a base of 10 cm and a height of 5 cm?

Back

Area = 1/2 × 10 cm × 5 cm = 25 cm²

Front

What is the area of a parallelogram with a base of 8 in and a height of 6 in?

Back

Area = 8 in × 6 in = 48 in²

Front

If the base of a triangle is doubled, what happens to the area?

Back

The area also doubles.

Front

What is the area of a triangle with a base of 4 cm and a height of 3 cm?

Back

Area = 1/2 × 4 cm × 3 cm = 6 cm²

Front

What is the area of a parallelogram with a base of 10 ft and a height of 4 ft?

Back

Area = 10 ft × 4 ft = 40 ft²

Front

If the height of a parallelogram is halved, what happens to the area?

Back

The area is also halved.

Front

What is the area of a triangle with a base of 12 cm and a height of 5 cm?

Back

Area = 1/2 × 12 cm × 5 cm = 30 cm²

Front

What is the area of a parallelogram with a base of 15 in and a height of 8 in?

Back

Area = 15 in × 8 in = 120 in²