Math for the Trades 6

Math for the Trades 6

Basic geometry and trigonometry

Basic geometry and trigonometry: 

Using geometric concepts, you’ll learn how to do things like find the center of a room to install a light fixture.

Multiple Choice

What is the perimeter of the square?

• 2
• 8
• 10
• 4

Multiple Choice

What is the perimeter of the fence?

• 25
• 30
• 35
• 40

Multiple Choice

What is the missing measurement? 

• 9 cm
• 18 in
• 18 cm
• 9 in 

Multiple Choice

What is the perimeter?

• 20
• 5
• 4

Multiple Choice

What is the perimeter?

• 15
• 10
• 3

Multiple Choice

What is the area of this shape?

• 15 square units

• 9 square units

• 14 square units

• 12 square units

Multiple Choice

What is the area of the shaded shape?

• A=16 square units

• A=8 square units

• A=14 square units

• A=10 square units

Multiple Choice

What is the area of the shaded shape?

• 4 square units

• 8 square units

• 6 square units

• 12 square units

Multiple Choice

What is the area of the shaded shape?

• A=20 square units

• A=16 square units

• A=15 square units

Multiple Choice

Name the shape

• circle
• square
• octagon
• pentagon

Multiple Choice

Which shape has 5 sides?

• hexagon

• triangle

• square

• pentagon

Multiple Choice

A an example of a sphere would be a 

• dice
• soccer ball
• triangle
• cup

Multiple Choice

For every 2 cups of water, Gina uses 1 lemon to make lemonade. If she used 12 cups of water, how many lemons will she require?

• 24

• 4

• 6

• 8

Multiple Choice

Which of these Fractions DOES NOT equal a half?

• 5/10

• 50/100

• 6/12

• 5/100

Multiple Choice

Which fraction DOES NOT equal a half?

• 4/8

• 6/12

• 50/100

• 4/12

Multiple Choice

Which fraction equals a half?

• 4/7

• 10/20

• 2/5

• 8/10

Multiple Choice

Double of 50

• 25
• 100
• 55
• 5

Multiple Choice

double of 36

• 30 + 6
• 36 + 30
• 36 + 36
• 13 +13

Multiple Choice

Half of 18

• 8
• 9
• 7
• 32

Multiple Choice

Half of 50

• 100
• 25
• 5
• 10

Multiple Choice

Double of 9

• 19
• 20
• 18
• 5

Multiple Choice

Half of 4

• 6
• 2
• 8
• 10

Multiple Choice

Double of 11

• 21
• 23
• 22
• 24

Multiple Choice

Half of 26

• 14
• 16
• 12
• 13

Multiple Choice

Double of 6

• 12
• 11
• 10
• 14

Multiple Choice

Half of 14

• 4
• 10
• 7
• 8

Multiple Choice

Double of 5

• 15
• 10
• 5
• 20

Multiple Choice

What is the measure of CB?

• 10

• 5

• 15

Multiple Choice

What is the area of this shape?

• 36 cm

• 13cm

• 36 cm²

• 13 cm²

Multiple Choice

What is the area of this shape in inches?

• 15

• 15 in.

• 15 in²

• 15cm

Multiple Choice

What is the area of this shape in inches?

• 15

• 15 in.

• 15 in²

• 15cm

Multiple Choice

Name the longest side of a right triangle.

• leg a
• leg b
• leg 
• hypotenuse

Multiple Choice

If a right triangle has side lengths 6, 6.7 and 3, which side is the hypotenuse?

• 6

• 6.7

• 3

• 15.7

• None of them

Multiple Choice

Side c on a right triangle is ALWAYS the longest.

• true

• false

Multiple Choice

Sides a and b are called legs.

• true

• false

Multiple Choice

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Multiple Choice

Which set of sides would make a right triangle?

• 4,5,6
• 8,10,12
• 5,12,13
• 5,10,12

Multiple Choice

Which is a Pythagorean Triple?

• 3,4,5

• 3.4,4.5,6.7

• 12,13,14

• 5,10,12

Multiple Choice

Which is a Pythagorean Triple?

• 4,4,8

• 6,8,10

• 1,2,3

• 10,15,25

Multiple Choice

Find the value of x.

• 15
• 16
• 18
• 17

Multiple Choice

Find the value of x.

• 7

• 8

• 9

• 10

Multiple Choice

Find the value of x.

• 7
• 8
• 9
• 10

Multiple Choice

What type of special right triangle is this?

• Isoceles right
• 30-60-90
• not a special right triangle

Fill in the Blank

Multiply  $5\sqrt{2}\cdot\sqrt{2}$ . 

Multiple Choice

How long is e?

• 3
• 6
• 6√3
• 6√2

Multiple Choice

Find the value of y.

• 8
• 4
• 2√3
• 8√3

Multiple Choice

Find x.

• 4
• 2
• √3
• 2√2

Multiple Choice

What is the measure of side c?

• 7
• 7/√2
• 7√2
• 14

Multiple Choice

What is the length of x in this 45-45-90 triangle?

• 4√2
• 4
• 8
• 4√3

Fill in the Blank

What is the height of the TV? Round to the 10ths place (one decimal place) if necessary.

Fill in the Blank

Find x. Round to the 10ths place (one decimal place) if necessary.

Multiple Choice

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Isosceles
• Obtuse

Multiple Choice

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Equiangular
• Equilateral

Multiple Choice

Find the value of x.

• 3 sqrt(2)
• 3
• 6 sqrt(2)
• 6

Multiple Choice

Find the value of y.

• 9
• 18√2
• 9√2
• (9√2)/2

Multiple Choice

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

Multiple Choice

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

Poll

This material was helpful.

• Yes and I understood it.

• Yes and I would like more practice.

• No, I knew all of this material and got 100% on all of the questions without using a calculator.