Area, Perimeter, distance, midpoint formulas

Front

What is the formula for finding the area of a rectangle?

Back

A = l•w

Front

What is the formula for finding the area of a triangle?

Back

A = ½bh

Front

What is the formula for finding the area of a circle?

Back

A = r²π

Front

What is the formula for finding the perimeter of a rectangle?

Back

P = 2(l + w) or P = 2l + 2w

Front

What is the formula for finding the perimeter of a triangle?

Back

P = a + b + c (where a, b, and c are the lengths of the sides)

Front

What is the distance formula between two points (x1, y1) and (x2, y2)?

Back

d = √((x2 - x1)² + (y2 - y1)²)

Front

What is the midpoint formula for two points (x1, y1) and (x2, y2)?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2)

Front

What is the x-coordinate of the midpoint between (6,-6) and (-10,-10)?

Back

-2

Front

What is the x-coordinate of the midpoint between (-4,4) and (-2,2)?

Back

-3

Front

What is the definition of area?

Back

The space inside an object.