Section 4 Higher Flashcards
List all the factors of 12.
1, 2, 3, 4, 6, 12
What’s the order of rotational symmetry of a square?
4
What does congruent mean?
Identical
What’s a reflex angle?
An angle between 180 and 360 degrees.
How do you find the area of a parallelogram?
Base x perpendicular height
In standard index form, numbers are expressed as a x 10 to the power n. What are the restrictions on a?
1 ≤ a < 10
How do you calculate gradient from a linear graph
change in y divided by change in x
How are bearings measured?
Clockwise from the north
How is density calculated?
mass divided by volume
What do we call angles in a “z” from each other on parallel lines?
Alternate angles
How do you find the volume of a cube with side length x?
x³
How do we find the means of a set of numbers?
Add them up and divide by how many numbers there are