Perimeter Note: for this quiz we won't worry about units. total distance around an object (the rim) P= 2+2+1+1 P= L+L+W+W 1 2 2 1 1 P=2+2+1+1 2 2 1 12 6 4 2 P=3+3+2+2 3 3 2 20 15 10 2 4 4 2 12 6 4 3 5 5 3 16 12 8 5 6 6 5 30 25 22 6 7 7 6 30 26 20 7 8 8 7 30 26 20 8 9 9 8 35 40 34 9 10 10 9 30 38 20 Let's try some harder problems... P=L+L+W+W P= + + + = 2 3 3 2 What's the perimeter? 5 4 3 What's the perimeter? 3 4 1 1 2 What's the perimeter? 9 3 What's the perimeter? What's the perimeter? What's the perimeter of both shapes? 4 2 2 4 3 This is an isosceles triangle. What's the perimeter? 12 7 What's the perimeter of this square? 9 |