Math Flashcards
Pythagorean Theorem
A(squared) + B(squared)= C(squared)
Area of Parallelogram/ Rhombus/ Rectangle
Area= Base x Height
Area of Trapezoid
Area= 1/2(Area + Base)Height
Area of Triangle
1/2bh, b(Base) h(Height)
Area of Circle
π × r(squared), r(radius)
Circumference of Circle
2πr, r(Radius)
Volume of Rectangular Solid
Lwh, L(length) W(width) H(height)
Volume of Cube
V= a(to the third), a(the length of a side)
Volume of Sphere
V= 4/3π x r(to the third), r(Radius)
Volume of Cylinder
V= π x r(squared) x h, r(Radius) h(Height)
Acute Angle
Angle less than 90 degrees
Obtuse Angle
Angle greater than 90 degrees but less than 180 degrees
Reflex Angle
Angle greater than 180 degrees
Complementary Angles
Two angles that add up to 90 degrees
Supplementary angles
Angles add up to 180 degrees
Triangles adds up to
180 degrees
Equilateral Triangle
Three equal sides and each angle is 60 degrees
Isosceles Triangle
Two equal sides and two equal angles
Scalene Triangle
No equal sides and no equal angles
Sum of interior angles
Total Angles= 180 x (n-2)degrees, n(number of sides of the polygon)
Quadrilaterals add up to
360 degrees