COMPLETE SOLUTIONS 100% 2023/2024
Perimeter of a rectangle
A = 2l + 2w or 2(l + w)
Perimeter of a square
A = 4s
Area of a triangle
A = (1/2)bh
Area of a rectangle
A = bh or lw
Area of a square
A = S2(2= squared)
Diameter of a Circle
Diameter of a circle: d = 2r
Circumference of a circle
C = 2πr or πd
Area of a circle
A = πr2
*Volume of rectangular solids:
V = lwh
Pythagorean theorem
a2 + b2 = c2
*Average of a set of numbers:
Average = Sum of the numbers ÷ The amount of numbers in the set
Right angles measure what?
90°
The sum of the interior angles of a triangle?
180°
The sum of the interior angles of a quadrilateral?