Review 2

Area of a parallelogram.

• A=Bh
• A=bh
• A=½bh
• A=½(b₁+b₂)h

Circumference of a circle.

• A=πr²
• A=2πr
• A  = 2πd
• A = lw

Area of a Triangle

• A = 1/2h(b1 + b2)
• A = bh
• A = 1/2bh

Area of a Rectangle

• A = 1/2h(b1 + b2)
• A = bh
• a = 1/2bh

The distance around a circle; much like the perimeter of a rectangle.

• perimeter
• diameter
• circumference
• radius

What formula is used to find the area of a circle? 

• l × w
• l × w × h
• ∏ × r²
• ½B × h

Distance around a polygon, a figure with at least three straight lines and angles, is called 

• circumference
• radius
• pi
• perimeter

What is the fomula for perimeter of a rectangle?

• P = lwh
• P = bh
  P = bh
• P = 2l +2w
• P = lw

What is the formula for area of a circle given the radius?

• A = πr
• A = 2πr
• A = πd
• A = πr²

x + y

• expression
• equation