Verify the given polynomial identity. 4

2

x - y = (x - y)(x + y)(x + y )

*

+y)(x*

Part 1 out of 4

**-y* = (x – y)(x + y)(x² + 3

+y?

2

4 4

x - y =

x²

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?