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Paraphin [41]
3 years ago
12

Look at the two-dimensional net shown. A rectangular pyramid. The rectangular base has a length of 10 meters and height of 3 met

ers. 2 triangular sides have a base of 10 meters and height of 6.4 meters. 2 triangular sides have a base of 3 meters and height of 8 meters. Which statements are true? Check all that apply. The solid formed by the net will be a rectangular pyramid. The solid formed by the net will be a square pyramid. All four triangular faces have an area of 12 m2. There are two sets of opposite congruent triangular faces. The base has an area of 30 m2.
Mathematics
2 answers:
polet [3.4K]3 years ago
6 0

Answer:

1,4 and 5

Step-by-step explanation:

valentina_108 [34]3 years ago
3 0

Answer: Here.

The Solid formed by the net will be a rectangular pyramid.

There are TWO sets of opposite congruent triangular faces.

The base has an area of 30m2

Step-by-step explanation: Don't listen to the B and C dude.

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lana66690 [7]

Answer/Step-by-step Explanation:

4. Midpoint (M) of AB, for A(-2, -3) and B(1, 2) is given as:

M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})

Let A(-2, -3) = (x_1, y_1)

B(1, 2) = (x_2, y_2)

Thus:

M(\frac{-2 + 1}{2}, \frac{-3 + 2}{2})

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5. Given M(3, 5) as midpoint of CD, and C(-1, -1),

let C(-1, -1) = (x_2, y_2)

D(?, ?) = (x_1, y_1)

M(3, 5) = (\frac{x_1 +(-1)}{2}, \frac{y_1 +(-1)}{2})

Rewrite the equation to find the coordinates of D

3 = \frac{x_1 - 1}{2} and 5 = \frac{y_1 - 1}{2}

Solve for each:

3 = \frac{x_1 - 1}{2}

3*2 = \frac{x_1 - 1}{2}*2

6 = x_1 - 1

6 + 1= x_1 - 1 + 1

7 = x_1

x_1 = 7

5 = \frac{y_1 - 1}{2}

5*2 = \frac{y_1 - 1}{2}*2

10 = y_1 - 1

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Coordinates of D is (7, 11)

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