Perimeter Formulas
Area Formulas
Two Dimensional Shapes
100

What is the formula for the perimeter of a square?

What is p=s2

100

What is the formula for the area of a circle?

What is a = pi r 2?

100

What do you call a shape that has 4 equal sides and 4 right angles?

What is a square?

200

What is the formula for the perimeter of a triangle?

What is p=a+b+c?

200

What is the formula for the area of a square?

What is a=s2?

200

What do you call a shape with four right angles and two sets of parallel lines?

What is a rectangle?
300

What is the formula for the perimeter of a rectangle?

What is p= 2l + 2w? (Or l+ l + w + w)

300

What is the formula for the area of a triangle?

What is a=bh/2  or a=1/2bh?

400

What is the formula for the circumference of a circle?

Whatis c=2 pi r  or pi d?

400

What is the formula for the area of a rectangle?

What is a=LW?