The conversation of square feet to square yards can be represented by direct variation. Three square yards are equivalent to 27 square feet. Let Y represent the number of square yards and x the number of square feet. Then y varies directly with x. What is the constant of variation? What is the equation representing a direct variation?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?