Big Ideas Chapter 4

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) * (base1 + base2) * height

Front

Calculate the area of a trapezoid with height 14 cm, base 1 = 5 cm, and base 2 = 11 cm.

Back

112 sq. cm

Front

What is the formula for the area of a parallelogram?

Back

Area = base * height

Front

Calculate the area of a parallelogram with base 4 units and height 3 units.

Back

12 sq. units

Front

What is the area of a parallelogram with base 8 cm and height 4 cm?

Back

32 sq. cm

Front

What is the formula for the perimeter of a polygon?

Back

Perimeter = sum of the lengths of all sides

Front

Calculate the perimeter of a shape with vertices S (8,4), T (4,4), U (4,9), V (8,9).

Back

18 units

Front

What is a trapezoid?

Back

A trapezoid is a four-sided figure (quadrilateral) with at least one pair of parallel sides.

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) with opposite sides that are parallel and equal in length.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.