Maths Flashcards
Math: what is the cosine rule
a = sqrt(b2+c2-2bccos(A))
Math: at what angle do a tangent and a radius meet
90°
Math: a triangle with multiple angles of 60° is what
An equilateral triangle
Math: what is the quadratic formula
Math: what is the sine rule
Math: what is the cosine rule for angles
Maths: when doing circle theorum what should you do to all the radei
Label them as symetrical
Maths: what is the symbol for direct proportionality
∝
Maths: what is the equation to find direct proportionality
y = kx
Math: what is the equation of a line perpendicular to y = 2x + 3
y = -1/2x + c
Math: what is an expression
It is a mathematical statement containing numbers and variables, 4m + 5
Math: what is an equation
It is a statement that equals something, 4m + 5 = 6
Math: equation for a straight line
Y=mx+c
Math: what is the area of a trapezium
math: what is the volume of a sphere, its surface area?