Area of Polygons Review

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: Area = length × width.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is calculated using the formula: Area = (base × height) / 2.

Front

What is the formula for the area of a circle?

Back

The area of a circle is calculated using the formula: Area = π × radius².

Front

What is the formula for the area of a trapezoid?

Back

The area of a trapezoid is calculated using the formula: Area = (base1 + base2) × height / 2.

Front

What is the area of a polygon?

Back

The area of a polygon can be calculated by dividing it into simpler shapes (like triangles) and summing their areas.

Front

How do you find the area of a pentagon?

Back

To find the area of a regular pentagon, use the formula: Area = (1/4) × √(5(5 + 2√5)) × side².

Front

What is the area of a square?

Back

The area of a square is calculated using the formula: Area = side × side.

Front

If a rectangle has a length of 10 inches and a width of 5 inches, what is its area?

Back

Area = 10 in × 5 in = 50 in².

Front

If a triangle has a base of 8 inches and a height of 5 inches, what is its area?

Back

Area = (8 in × 5 in) / 2 = 20 in².

Front

What is the area of a circle with a radius of 3 inches?

Back

Area = π × (3 in)² ≈ 28.27 in².