area of shapes

Multiple Choice

What is the area of the shape below?

• 81 yd²

• 162 yd²

• 79.5 yd²

• 40.5 yd²

b = base

h = height

multiply all 3 numbers

Area of a triangle

Multiple Choice

Find the area using the formula

​Area = $$\frac{1}{2}$$  bh

• 88 yd

• 40 yd²

• 80 yd²

• 18 yd²

Math-Aids.Com

Area and Perimeter FormulasArea and Perimeter Formulas

Triangles - Common
A polygon with three angles and three sides.

a

b

c

h

Area = base x height = bh

1_
2

1_
2

Perimeter = a + b + c

Equilateral Triangles
A Triangle with all three sides of equal length.

s

s

s
Area = x (side) = s

3__
4

2

3__
4

2

Perimeter = 3 x sides = 3 s

Isosceles Triangles
A Triangle with two sides of equal length.

b

a

b
Area = 4b - a

a__
4

22

Perimeter = a + 2 b

Right Triangles
A Triangle with one right angle.

b

a

c
Area =

ba__
2

Perimeter = a + b + c

Square
A Square is a quadrilateral with four equal sides and angles at 90.

o

a

a

Area = a2

Perimeter = 4a

Math-Aids.Com

Area and Perimeter FormulasArea and Perimeter Formulas

Rectangle
A Rectangle is a quadrilateral with four equal angles at 90.

o

w

l

Area = lw

Perimeter = 2(w + l)

Parallelogram
A Parallelogram is a quadrilateral with opposite sides parallel.

a

b

h
Area = bh

Perimeter = 2(a + b)

Rhombus
A Rhombus is a Parallelogram with all sides equal.

a

a

h
Area = ah

Perimeter = 4a

Trapezoid
A Trapezoid is a Quadrilateral with at least one pair of parallel sides.

b1

b2

a1

a2

h
Area =

a1 + a2_____

2
h

Perimeter = a1 + a2 + b1 + b2

Regular n-gon
A Regular Polygon is a polygon for which n sides and angles are equal.

s

a

Area =

1__
2( a n s )

Perimeter = n s

Multiple Choice

What is the area of the shape below?

​Area = $$\frac{1}{2}$$  bh

• 36.8 mi²

• 13.2 mi²

• 18.4 mi²

• 10.6 mi²

Multiple Choice

What is the area of this triangle?

​Area = $$\frac{1}{2}$$  bh

• 30 units²

• 35 units²

• 60 units²

• 70 units²

Multiple Choice

What is the area of the shape below?

• 7.375 in²

• 33.15 in²

• 14.75 in²

• 16.575 in²

Multiple Choice

What is the area of the shape below?

• 191.4 km²

• 92.1 km²

• 95.7 km²

• 184.2 km²

Multiple Choice

Find the area of the parallelogram:

• 13 in²
• 20 in²
• 26 in²
• 40 in²

Multiple Choice

Find the area of the trapezoid

• 128 m²
• 64 m²
• 144 m²
• 72 m²

Multiple Choice

Find the Area of the Trapezoid?

• 216  cm²
• 18 cm²
• 132 cm sq
• 238 cm sq

Multiple Choice

What is the area of the shape below?

• 29.6 mi²

• 118.4 mi²

• 67 mi²

• 59.2 mi²

Multiple Choice

Find the AREA of the rectangle.

• 100 feet²
• 160 feet²
• 52 feet²
• 256 feet²

Multiple Choice

What is the area of the shape below?

• 123.94 cm²

• 115.54 cm²

• 57.8 cm²

• 231.08 cm²

Multiple Choice

Find the area of the parallelogram

• 48 ft²
• 49 ft²
• 42 ft²
• 56 ft²

Multiple Choice

What is the area of the trapezoid below?

$$\left(base1+base2\right)height\div2$$  

• 73.2 ft²

• 36.6 ft²

• 18.3 ft²

• 45.9 ft²

Multiple Choice

What is the area of the trapezoid below?

$\left(base1+base2\right)height\div2$

• 12 cm²

• 48 cm²

• 26.6 cm²

• 24 cm²

Multiple Choice

What is the area of the shape below?

• 81 yd²

• 162 yd²

• 79.5 yd²

• 40.5 yd²

Multiple Choice

Find the area of the circle below. Use 3.14 for π.

• 78.62 yd²

• 50.24 yd²

• 12.56 yd²

• 81.75 yd²

Multiple Choice

What is the area of the rectangle below?

• 191.4 km²

• 92.1 km²

• 95.7 km²

• 184.2 km²

Multiple Choice

Find the area of the circle below. Use 3.14 for π.

• 615.44 km²

• 175.84 km²

• 87.92 km²

• 633.45 km²

Multiple Choice

What is the area of the trapezoid below?

$$\left(base1+base2\right)height\div2$$  

• 73.2 ft²

• 36.6 ft²

• 18.3 ft²

• 45.9 ft²

Multiple Choice

What is the area of the trapezoid below?

• 12 cm²

• 48 cm²

• 26.6 cm²

• 24 cm²

Multiple Choice

Find the Area of the Trapezoid

• 84 m²
• 168 m²
• 112 m²
• 56 m²

Multiple Choice

Find the area of the figure:

• 30 ft²
• 60 ft²
• 16 ft²
• 36 ft²

Multiple Choice

Calculate the area of the rectangle

• 21cm²
• 18.5cm²

• 19cm²
• 9.5cm²

Multiple Choice

Whats the area of the Triangle

• 8.6 in²

• 16.6 in²

• 18.4 in²
• 9.2 in²

Multiple Choice

Find the area of the parallelogram.

• 15.6 cm²
• 30.6 cm²
• 13.26 cm²
• 79.56 cm²

Multiple Choice

What is the area of this rectangle?

• 84.24 square yards

• 18.5 square yards

• 80.4 square yards

• 37 square yards

Multiple Choice

Find the area of the parallelogram

• 55 square feet
• 60 square feet
• 16 square feet
• 28 square feet

Multiple Choice

What is the area of the rectangle?

• 1699 m²
• 1701 m²
• 1708 m²
• 1710 m²