7.1-7.4 Flashcard Review

Front

What is a composite figure?

Back

A composite figure is a figure that is composed of a variety of 2-dimensional shapes.

Front

What is the formula to find the area of a rectangle?

Back

A = b x h

Front

How do you find the area of a triangle?

Back

A = (1/2)bh

Front

What is the area of a shaded region that measures 212.5 cm²?

Back

212.5 cm²

Front

What is the area of a rectangle with a base of 10 cm and a height of 5 cm?

Back

A = 10 cm x 5 cm = 50 cm²

Front

What is the formula for the area of a circle?

Back

A = πr²

Front

What is the difference between a 2-dimensional shape and a 3-dimensional shape?

Back

A 2-dimensional shape has length and width, while a 3-dimensional shape has length, width, and height.

Front

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

Back

A = (1/2) x 8 cm x 4 cm = 16 cm²

Front

What is the perimeter of a rectangle with a length of 6 cm and a width of 3 cm?

Back

Perimeter = 2(length + width) = 2(6 cm + 3 cm) = 18 cm

Front

What is the area of a square with a side length of 4 cm?

Back

A = side x side = 4 cm x 4 cm = 16 cm²