The area of a rectangular trapezoid is 3
. A sharp angle
α
. If the smaller diagonal is greater than the base, find the height.

Find the distance between (7,-6) and (-3,-9)

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?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25