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### Grade 4 - Mathematics12.9 Perimeter of a Rectangle

 The perimeter of a rectangle is the distance around the outside of the rectangle. A rectangle has four sides with opposite sides equal. If l = length of the rectangle and w = width of the rectangle Perimeter = l + w + l + w = 2l + 2w = 2 (l + w) Perimeter = 2(l + w) units Example: What is the perimeter of a rectangle with length 8 cm and width 5 cm? Perimeter = 2(l+b) Perimeter = 2(8+5) Answer: 26 cm Directions: Answer the following questions. Also write at least five examples of your own.
 Q 1: P = 2 x (L+W) is same asP = 2L + WP = L + L + W + WP = L + 2W Q 2: What is the perimeter of a rectangle with length 15 cm and width 5 cm?40 cm75 sq cm20 cm Q 3: What is the perimeter of a rectangle with length 8 cm and width 2 cm?20 cm20 sq cm20 inches Q 4: _____ is the distance around a figure.AreaVolumePerimeter Q 5: What is the perimeter of a rectangle with length 8 cm and width 7 cm?15 cm50 cm56 cm30 cm Q 6: What is the perimeter of a rectangle with length 12 cm and width 4 cm?16 cm32 cm48 sq cm40 cm Q 7: What is the perimeter of a rectangle with length 15 cm and width 10 cm?50 cm5 cm100 cm150 sq cm Q 8: The formula for perimeter of a rectangle with length L and width W is given byP = 2 x (L+W)P = 2 x (LxW)P = 2 + (L+W) Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!