Area and Perimeter on the Coordinate Plane

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2 * (length + width)

Front

How do you find the distance between two points on a coordinate plane?

Back

Use the distance formula: d = √((x2 - x1)² + (y2 - y1)²)

Front

What is the area of a rectangle?

Back

Area = length * width

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

How do you calculate the perimeter of a polygon given its vertices?

Back

Add the lengths of all sides, calculated using the distance formula.

Front

What is the distance between points A(-2, -2) and C(5, 6)?

Back

Distance = √((5 - (-2))² + (6 - (-2))²) = √(7² + 8²) = √113 ≈ 10.6 units

Front

What is the perimeter of a rectangle with vertices A(-2, -2) and C(5, 6)?

Back

Perimeter = 2 * (length + width) = 30 units.

Front

What is the perimeter of quadrilateral ABCD with vertices A(6,5), B(2,-4), C(-5,2), and D(-3,6)?

Back

Perimeter = 32.6 units.

Front

How do you round a number to the nearest tenth?

Back

Look at the hundredths place; if it's 5 or more, round up.

Front

What is the area of a triangle with a base of 5 units and a height of 6 units?

Back

Area = 1/2 * 5 * 6 = 15 square units.