PLEASE HELP WILL MARK BRAINLIEST

What is not true about kl and mn? what is mn? (show )

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

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?