2D and 3D Shapes Area

polygon

• a circle

• a closed shape made with straight lines

• a closed shape made with curved lines

square

• a regular rectangle

• a circle

area

• (length x width) the number of square units needed to cover a surface

• (length x width x height) the number of square units needed to fill a 3D shape

• (add up all the sides) the number of units needed to go around a shape

volume

• (length x width) the number of square units needed to cover a surface

• (length x width x height) the number of square units needed to fill a 3D shape

• (add up all the sides) the number of units needed to go around a shape

Which formula cannot be used to find the area of a square?

• A=bh

• A=lw

• A=s²

• A=1/2(bh)

Match the following shapes to the correct area formulas

• A=bh

  Rectangle

• 
• A = 1/2bh

• 
• A=bh

  Parallelogram

• 
• A=1/2(b1+b2)h

• 
• A=bh

  Square

• 

regular shape

• a shape where three sides are the same length

• a shape where all sides are the same length

• a shape where no sides are the same length

rectangle

• a parallelogram and a quadrilateral with four right angles

• a parallelogram and a quadrilateral with two right angles

• a parallelogram and a quadrilateral with no right angles

rhombus

• a parallelogram and a quadrilateral with no equal sides

• a parallelogram and a quadrilateral with three equal sides

• a parallelogram and a quadrilateral with four equal sides

the number of square units that covers a two-dimensional region, without gaps or overlaps

• Area

• Perpendicular

• Decompose