Volume, Area, Surface Area, And Trig

Question 1

What is the equation for the area of a triangle?

Answer 1

Base x height / 2

Question 2

What is the equation for the volume of a prism

Answer 2

Base x height / 2 x length

Question 3

What is the equation for the area of a circle?

Answer 3

pie x radius^2

Question 4

What is the equation for the volume of a cylinder?

Answer 4

pie x radius^2 x height

Question 5

What is the equation for the area of a rectangle or square?

Answer 5

base x height

Question 6

What is the equation for the volume of a cuboid?

Answer 6

base x height x length

Question 7

What is the equation for the surface area of cylinder?

Answer 7

2 x pie x radius^2 top and bottom circle + 2 x pie x radius x height curved surface area

Question 8

What are the three sides of a right triangle called?

Answer 8

• Hypotenuse
• Opposite
• Adjacent

Question 9

How do you identify the hypotenuse line?

Answer 9

• The longest side
• Opposite the right angle

Question 10

How do you identify the opposite line?

Answer 10

• Opposite the angle we’re looking for
  or
• Oppsite the angle we know

Question 11

How do you identify the adjacent line?

Answer 11

• The one ‘left over’
• The side next to the right-angle and the angle involved in the question.

Question 12

What are the three trig formula’s?

Answer 12

Sin(angle) = opp/hyp
Cos(angle) = adj/hyp
Tan(angle) = opp/adj

Question 13

How do you convert from (mm) to (cm) to (m) to (km)
Distance

Answer 13

mm => cm (÷ 10)
cm => m (÷ 100)
m => km(÷ 1000)

Question 14

How do you convert from (g) to (kg) to (t)?
weight

Answer 14

g => kg(÷ 1000)
kg => t(÷ 1000)

Question 15

How do you convert from (ml) to (cl) to (l) volume

Answer 15

ml => cl(÷ 10)
cl => l(÷ 100)

Question 16

What is the equation for the area of a trapezium?

Answer 16

A= a+b/2 x h