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Area of Basic Shapes
Algebra - Rectangle, Square, Triangle, Trapezoid, Circle
Question | Answer |
---|---|
The area of a square is: | A = b*h |
The area of a rectangle is: | A = b*h |
The area of a triangle is: | A = (1/2)*b*h |
The area of a trapezoid is: | A = (1/2)*h*(b1+b2) |
The area of a circle is: | A = pi*r^2 |
To find the perimeter of any polygon: | add up all the outsides |
To find the circumference of a circle: | C = 2*pi*r --OR-- C = pi*d |