FTCE Formulas for Grade 8

Front

Area of a rectangle

Back

l x W

Front

Perimeter of a rectangle

Back

2 ( L + W)

Front

Area of a triangle

Back

Front

Perimeter of a triangle

Back

latex="P = a + b + c">

Front

Area of a circle

Back

latex="A = \pi r^2">

Front

Circumference of a circle

Back

latex="C = 2\pi r">

Front

Area of a parallelogram

Back

latex="A = b h">

Front

Perimeter of a parallelogram

Back

latex="P = 2(a + b)">

Front

Area of a trapezoid

Back

latex="A = \frac{1}{2}(b_1 + b_2)h">

Front

Perimeter of a trapezoid

Back

latex="P = a + b_1 + b_2 + c">