End of year revision Flashcards
What is the range
Largest - smallest
What is the mode
Most common
What is the median
Middle
What do angles in a triangle equal
180
What do angles in a quadrilateral equal?
360
What do angles in a pentagon equal
540
What do angles in a hexagon equal?
720
What do angles in a heptagon equal
900
What is the sum of exterior angles?
360
How do you find the interior angle
180 - exterior
How do you find the exterior angle
360 / number of sides
What is the equation for Pythagoras
a² + b² = c²
What does ( sin ) mean in trigonometry
sin = opp/ hyp which is “soh”
What does (cos) mean in trigonometry
cos = adj/hyp which is cah
What does (tan) mean in trigonometry
tan = opp/adj which is toa
What does > mean
Greater than
What does < mean
Less than
What is the equation of a line
y = mx + c
How do you find 50%
Divide by 2
How do you find 25%
Divide by 4
How do you find 10%
Divide by 10
How do you find 1 %
Divide by 100
What does foil mean
First
Outer
Inner
Last
How do you calculate the area of a rectangle?
Base x height
How do you calculate the area of a triangle?
Area = 1/2 base x height
How do you calculate the area of a parallelogram?
Base x height
How do you calculate the area of a trapezium?
(a + b) x height / 2
How do you calculate the area of a circle?
Pie ²
What is pi?
3.142
break
yay
How do you calculate the volume of a prism
Area of cross section x length
How do you calculate the circumference?
π x diameter
