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3 years ago

Find the total surface area of this triangular prism. 30 cm 18 cm 7 cm 24 cm

Mathematics

1 answer:

Effectus [21]3 years ago

4 0

Answer:

588 cm²

Step-by-step explanation:

24 × 7 + 30 × 7 + 2(24 × 18) + 18 × 7 = 7(24 + 30 + 18) + 2 × 42 = 7 × 72 + 84 = 504 + 84 = 588 cm²

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3 years ago

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Answer:

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Step-by-step explanation:

Step 1: Write equation

V = 1/3bh

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Step 3: Divide both sides by b

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Step-by-step explanation:

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35 Points!!

nexus9112 [7]

Answer:

- Equal midpoints of AC and BC.

- The product of the slopes of the diagonals AC and DB is -1.

Step-by-step explanation:

1. Plot the given points, as you can see in the graph attached.

2. Calculate the midpoint of AC and DB:

$M_{AC}=(\frac{-5+(-1)}{2},\frac{-1+5}{2})=(-3,2)\\M_{DB}=(\frac{-9+3}{2},\frac{6+(-2)}{2})=(-3,2)$

Therefore, the midpoint of AC and DB are equal.

3. Calculte the slope of the diagonals AC and DB:

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4. Multiply the slopes of the diagonals:

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3 years ago

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Answer:

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Step-by-step explanation:

4 is equal to 100

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