7th grade math formulas

Front

Area of a Circle Formula

Back

A = πr²

or

A = π(r)(r)

Front

Circumference of a Circle Formula when you know the RADIUS

Back

C = 2πr

Front

Circumference of a Circle Formula when you know the DIAMETER

Back

C = πd

Front

What is the formula for the area of a triangle?

Back

A = 1/2 bh

Front

What is the Area of a rectangle formula?

Back

Front

What does the letter "m" represent in the equation y = mx + b?

Back

Slope

Front

What does the letter "b" represent in the equation y = mx + b?

Back

y-intercept

Front

Is the red line a radius or diameter of the circle?

Back

Radius

Front

Is the red line a radius or diameter of the circle?

Back

Diameter

Front

Is the red line a radius or diameter of the circle?

Back

Radius