Find the midpoint of line CD given C(7, 5) and D(-3, -1)

Mathematics

1 answer:

Art [367]2 years ago

3 0

Answer: C (2,-3)
Explanation: (x1+x2/2),(y1+y2/2)

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Answer part A and part B

vredina [299]

Answer: Part A: a square pyramid Part B: 84 square feet

Step-by-step explanation:

Part A: The shape will have a base that is a square with triangles on each of its edges that connect at a point at the top.

Part B: The amount of nylon needed is the surface area of the net. There is a square and two triangles. The square has a side length of 6 so its area will be 6*6=36 square feet. Each triangle has a base of 6 and a height of 4 so each of their areas will be $\frac{6*4}{2}=12$ square feet. Adding up the area of the 4 triangles and the square gives us 4*12+36=84 square feet.