There is a square pyramid on the top of the dog house for the roof. The base length is 4 feet and the slant height is 7 feet. Find the surface area of just the roof of the dog house. Round your answer to the nearest tenth. (Hint: there is no base)

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?