11.1-3 & 12.1 Review (Geo)

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width.

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the area of a circle?

Back

Area = π × radius².

Front

What is the formula for the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height.

Front

How do you calculate the area of a sector of a circle?

Back

Area = (θ/360) × π × radius², where θ is the angle in degrees.

Front

What is the area of a parallelogram?

Back

Area = base × height.

Front

What is the relationship between the area of a square and its side length?

Back

Area = side length².

Front

If the radius of a circle is doubled, how does the area change?

Back

The area increases by a factor of four.

Front

What is 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 rectangle with a length of 8 ft and a width of 3 ft?

Back

Area = 8 ft × 3 ft = 24 ft².