Geo Un8Wk1 - ST Area of Triangles & Rectangles

Areas of Triangles, Rectangles & Parallelograms

By Chip Krolik

Multiple Select

$$A=\frac{1}{2}b\cdot h$$   is the formula for a

(choose multiple if appropriate)

• rectangle

• triangle

• parallelogram

• rhombus

• none of these

Multiple Select

What is the formula for the area of a triangle? (choose 3 answers)

• Area = (base x Height) /2

• Area = (base x Height)

• Area = (base x height) divided by 2

Multiple Select

$$A=b\cdot h$$   is the formula for a

(choose multiple if appropriate)

• triangle

• parallelogram

• quadrilateral

• none of these

Multiple Choice

Which number represents the height?

• 5
• 4
• 10
• 19

Multiple Choice

Find the area:

• 2 in²
• 15 in²
• 25 in²
• 50 in²
• none of these

Multiple Choice

Find the area.

•  25 square inches
• 70 square inches
• 80 square inches
• 56 square inches

Fill in the Blanks

What is the area of this triangle?

Multiple Choice

Find the value of h if the area of the parallelogram is 15 m².

• 2

• 4

• 4.8

• 23.25

Multiple Choice

Find the value of h if the area of the parallelogram is 96 mm².

• 12

• 9.6

• 16

• 24

Multiple Choice

Find the AREA

• 14 cm²
• 48 cm²
• 32 cm²
• 2 cm²

Fill in the Blanks

Find the area.

Fill in the Blanks

Calculate the area of this shape

​Star Trek brain break!

Multiple Choice

Who is Picards 1st officer

• Riker

• Data

• Troi

• Laforge

Match

Match the following aliens

Vorta

Jem'Hadar

Vulcans

Captain Sisko

• Vorta

• Jem'Hadar

• Vulcans

• Captain Sisko

​Back to the Geometry

Fill in the Blanks

Find the area of the rectangle.

Multiple Choice

Find the area. 

• 88 inches²
• 60 inches
• 88 inches 
• 60 inches²

Multiple Choice

Find the area of a square with sides 7 cm long.

• 28 cm²
• 16 cm²
• 49 cm²
• 42 cm²

Multiple Choice

Find the area of this square

• 5 cm

• 20 cm²

• 25 cm²

• 55 cm

Multiple Choice

Find the area of the parallelogram.

• 15.6 m²
• 30.6 m²
• 13.26 m²
• 13 - 50.... thats 47

Fill in the Blanks

Jason wants to mow his rectangular lawn. If his lawn is 15 feet by 25 feet how many square feet does he have to mow?

Fill in the Blanks

What is the area?

Multiple Choice

What is the area?

• 90 m²

• 45 m²

• 19 m

• 15 m²

Fill in the Blanks

What is the area?

Multiple Choice

What is the area?

• 30 m²

• 11 m²

• 25 m

• 15 m²

Poll

After this review, I feel ---- about finding the areas of triangles, rectangles and parallelograms

• very good/ very confident

• good/confident

• I suppose I get it

• totally confused and lost

• other: my thoughts/feelings are not listed here