Unit A Flashcard A3

Front

What is the formula for the area of a circle?

Back

Front

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

Back

Front

What is the area of a sector with a radius of 6 inches and a central angle of 100°?

Back

The area is approximately 31.4 square inches.

Front

What is the formula for the area of a triangle?

Back

Front

How do you find the area of a rectangle?

Back

The area A of a rectangle is calculated using the formula A = l \times w, where l is the length and w is the width.

Front

What is the formula for the area of a square?

Back

Front

How do you find the missing side of a right triangle using the Pythagorean theorem?

Back

The Pythagorean theorem states that a^2 + b^2 = c^2, where c is the hypotenuse and a and b are the other two sides.

Front

What is the area of a shape with a base of 8 cm and a height of 3 cm?

Back

Front

What is the formula for the area of a trapezoid?

Back

Front

How do you calculate the area of a parallelogram?

Back

The area A of a parallelogram is calculated using the formula A = b \times h, where b is the base and h is the height.