Area of Polygons

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is given by the formula: \( \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} \)

Front

How do you find the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: \( \text{Area} = \text{length} \times \text{width} \)

Front

What is the formula for the area of a trapezoid?

Back

The area of a trapezoid is given by the formula: \( \text{Area} = \frac{1}{2} \times (\text{base}_1 + \text{base}_2) \times \text{height} \)

Front

If a triangle has a base of 9 inches and an area of 36 square inches, what is its height?

Back

The height of the triangle is 8 inches.

Front

What is the area of a triangle with a base of 7 mm and a height of 10 mm?

Back

The area is 35 mm².

Front

How do you calculate the area of a parallelogram?

Back

The area of a parallelogram is calculated using the formula: \( \text{Area} = \text{base} \times \text{height} \)

Front

What is the area of a square with a side length of 5 cm?

Back

The area is 25 cm².

Front

If the area of a rectangle is 24 cm² and the length is 6 cm, what is the width?

Back

The width is 4 cm.

Front

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

Back

The area is approximately 28.27 cm² (using \( \pi \approx 3.14 \)).

Front

How do you find the area of a composite shape?

Back

To find the area of a composite shape, divide it into simpler shapes, calculate the area of each, and then sum them up.