7th grade math formulas

Front

What is the formula for the area of a triangle?

Back

A = 1/2 bh

Front

What is the formula for the circumference of a circle when you know the radius?

Back

C = 2πr

Front

What is the term for the longest chord of a circle?

Back

Diameter

Front

What is the term for a line segment from the center of a circle to a point on the circle?

Back

Radius

Front

What is the formula for the area of a circle?

Back

A = πr² or A = π(r)(r)

Front

What shape has a base and triangular sides that meet at a point?

Back

Triangular Prism

Front

What is the formula for the volume of a rectangular prism?

Back

V = lwh (length × width × height)

Front

What is the formula for the perimeter of a rectangle?

Back

P = 2(l + w) (2 times the sum of length and width)

Front

What is the formula for the area of a rectangle?

Back

A = lw (length × width)

Front

What is the formula for the volume of a cylinder?

Back

V = πr²h (area of the base times height)