A Flashcards
(71 cards)
What is the formula for the area of a triangle?
Area = 1/2 * base * height
True or False: The sum of angles in a triangle is always 180 degrees.
True
Fill in the blank: The Pythagorean theorem states that a² + b² = ____.
c²
What is the value of π (pi) approximately?
3.14
What is the highest common factor (HCF) of 12 and 16?
4
What is the formula for the circumference of a circle?
Circumference = 2 * π * radius
What is the probability of flipping a coin and getting heads?
1/2
What is the quadratic formula?
x = (-b ± √(b² - 4ac)) / 2a
True or False: A square is a type of rectangle.
True
What is the formula for the volume of a cylinder?
Volume = π * radius² * height
What is the mean of the numbers 2, 4, 6, 8?
5
What does the term ‘median’ refer to in a data set?
The middle value when the numbers are arranged in order.
Fill in the blank: The sum of the interior angles of a polygon with n sides is ____ degrees.
(n - 2) * 180
What is the formula for the area of a rectangle?
Area = length * width
What is 15% of 200?
30
True or False: A right angle measures 90 degrees.
True
What is the slope of a line represented by the equation y = 3x + 2?
3
What is the formula for converting Celsius to Fahrenheit?
F = (C * 9/5) + 32
What is the least common multiple (LCM) of 3 and 4?
12
Fill in the blank: The area of a circle is given by the formula ____.
Area = π * radius²
What is the range of the data set: 2, 5, 8, 10?
8
What is the standard deviation a measure of?
The amount of variation or dispersion in a set of values.
True or False: The product of two negative numbers is positive.
True
What is the value of 7 factorial (7!)?
5040