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Grade 4 - Mathematics
12.7 Perimeter, Area and Volume Facts

  1. Perimeter is defined as the distance around a figure.
  2. Perimeter of a rectangle is 2(l+w) metres, where l is the length and w is the width.
  3. Perimeter of a square is 4a units where a is the length of the side.
  4. Area of rectangle is l x w units2.
  5. Area of square is a x a units2.
  6. The space occupied by an object is called volume.
  7. Volume of a cube is l x w x h units3.

Directions: Answer the following. Also write at least 5 examples of your own and draw a square and rectangle and find its area and perimeter.
Q 1: Perimeter of a square is 4 x length which can also be written as
length + length + length + length
length + length + length
4 + length

Q 2: The formula for area of a square
length - length
length x length
length + length

Q 3: You always measure area in square units. Example: US Customary system : square mile, square yard, square foot, square inch. Metric units: square kilometer, square centimeter, square meter, square millimeter
True
False

Q 4: Perimeter of a rectangle P = 2 x (l + w) can also be written as
P = l + 2w
P = l + l + w + w
P = w + 2l

Q 5: The formula for area of a rectangle is
length + width
length x width
length - width

Q 6: The perimeter is
how much space it occupies
the space inside a figure
the distance around the figure

Q 7: The formula for perimeter of a rectangle is
P = l x w
P = 2 x (l + w)
P = l + w

Q 8: The length and width of a rectangle are called its
line segment
dimensions
triangle

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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