Fixed Area Changing Perimeter

Farmer Bob needs to build a fence for his chickens.  The area he wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy?

• 800 feet

• 120 feet

• 60 feet

What is the area of this figure?

• 9 square units

• 12 square units

• 23 square units

• 22 square units

• The perimeter is 12 Units

• The area is 5 U²

• The perimeter is 8 units

• The are is 4 sq units

• A Bigger AREA

• A Bigger Perimeter

• 25 Square in

• 20 In

A rectangle has a length of 4 and a width of 6. What lengths below will have the same area, but different perimeter?

• 12x2

• 5x5

• 3x8

Ian is building a rectangular sandbox. The perimeter will be 12 feet. He wants the sandbox to have the greatest possible area. What could be Ian's sandbox?

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Select every answer that is correct

• 1x48

• 2x24

• 3x16

• 4x12

• 2 x 40

• 4 x 10

• 7 x 6

• 8 x 5

Multiple answers - select them all!

• 2x12

• 1x24

• 2x4

• 4x6

Farmer Bob needs to build a fence for his chickens.  The area he wants to build a fence around is 40 feet long and 20 feet wide.  How many feet of fence does he need to buy?

• 800 feet

• 120 feet

• 60 feet