A rectangular flag is 36cm long and 18cm wide. If a triangle is cut out of the center of the flag that has a base of 5cm and a height of 2cm, what is the remaining area of the flag?

The answer to your question is 643 cm²

Step-by-step explanation:

Data

Rectangle

length = 36 cm

width = 18 cm

Triangle

base = 5 cm

height = 2 cm

Process

1. - Find the area of the triangle

Area = length x width

Area = 36 x 18

Area = 648 cm²

2. - Find the area of the triangle

Area = base x height / 2

Area = 5 x 2 / 2

Area = 5 cm²

3. - Find the remaining area

Remaining area = rectangle's area - triangle's area

Remaining area = 648 - 5

Remaining area = 643 cm²