Section 2 Higher Flashcards
Write down the first 5 square numbers.
1, 4, 9, 16, 25
How many sides does a decagon have?
10
Index laws: when we multiply two terms with the same base, what do we do to the indices?
Add the indices
What’s the sum of the interior angles of a quadrilateral?
360 degrees
What’s the formula for the area of a circle?
πr²
What’s the value of the square root of 169?
13
How do we find the range of a set of numbers?
Maximum value minus minimum value
What’s one eighth as a decimal?
0.125
What do adjacent angles on a straight line sum to?
180 degrees
On a box plot, what does the vertical line inside the box represent?
The median
How do we find the area of a triangle?
Half x base x perpendicular height
How do you find 1% of a number?
Divide it by 100