2/11 Area of Polygons (Day 1)

2/11 Area of Quadrilaterals

Day 1

-Triangles

-Parallelograms

-Rectangles

-Squares

Area of Rectangles and Squares

-for both shapes, need the sides. *Remember for squares length and width are equal*

 $A=length\ \times\ width$  

Area of Parallelogram

• Base is the bottom of the shape (top or bottom)

• Height is how tall the paralellogram is (inside OR outside shape)

•  $A=base\ \times height$  

Area of a Triangle

• base is the bottom of the triangle

• height represents how tall a triangle is

• Area formula :

   $A=\frac{base\ \times\ height}{2}$  OR  $A=\frac{1}{2}base\times height$  

• height can be inside or outside of the triangle

Multiple Choice

Find the area of the triangle

• 108 cm

• 540 cm²

• 108 cm²

• 54 cm²

Multiple Choice

Find the area of this triangle

• 17 units²

• 20 units²

• 10 units²

• 16 units²

Multiple Choice

What is the area?

• 30 m²

• 20 m²

• 24 m²

• 120 m²

Multiple Choice

What is the area of this parallelogram?

• 38 m²

• 56 m²

• 77 m²

• 88 m²

Multiple Choice

What is the area of this square?

• 169 ft²

• 209 ft²

• 196 ft²

• 260 ft²

Multiple Choice

The East Room of the White House is 79 feet long by 36 feet wide. What is the area of the room?

• 8,248 ft²

• 2,848 ft²

• 4,288 ft²

• 2,844 ft²

Multiple Choice

Which has the greater area: a square with a side that measures 7 meters, or a 6-by-8 meter rectangle?

• Square

• Rectangle

Multiple Choice

The area of a soccer field is 56 square yards. The length of one side of the field is 8 yards. What is the width of the field?

• 7 yards

• 8 yards

• 48 yards

• 9 yards

Multiple Choice

Alicia's garden is 50 square feet. Inside of her garden she plants a section of tomatoes that is 3 feet by 4 feet. How much more space does she have left in her garden to plant other crops?

• 62 square feet

• 8 square feet

• 38 square feet

• 12 square feet

Multiple Choice

Find AREA

• 20 cm²

• 56 cm²

• 28 cm²

• 27 cm²

Multiple Choice

A tissue is 6 inches long. The area is 24in². What is the width of the tissue?

• 4in

• 144in²

• 4in²

• 4ft

Multiple Choice

Find the area of the triangle

• 18.4 in

• 9.2 cm

• 18.4 in²

• 9.2 in²

Fill in the Blanks

If a square has side length  $x+3$  , which expression represents it's area?

Fill in the Blanks

CHALLENGE QUESTION:

Calculate the area of the shape