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​2D Shapes: Quiz 5 - Answers
​1) x = 5
x + 1 = 6
 
2) 2y + 3 = 9
y – 1 = 2
 
3) 2x – 1 = 3
3x – 2 = 4
 
4) 2y + 1 = 9
4y – 5 = 11
Working
Questions
You may use a calculator for the questions in this part.
 
1) The area of the rectangle below is 30 square units. Find the length of each of the sides. 
2) The area of the rectangle below is 18 square units. Find the length of each of the sides. 
3) The area of the rectangle below is 12 square units. Find the length of each of the sides. 
4) The area of the rectangle below is 99 square units. Find the length of each of the sides.