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alexandr402 [8]
3 years ago
12

Can someone simply explain how to find the area of a triangular prism ? step by step ^^;

Mathematics
1 answer:
Vika [28.1K]3 years ago
8 0
The formula:
A = bh + L (s1 + s2 + s3)

A: area
b: base
h: height
L: length
s1: side 1 (cross-sectional area)
s2: side 2 (cross-sectional area)
s3: side 3 (cross-sectional area)

Here’s an example (see attached image)

A = (4 x 6) + (12 x [7 + 7 + 4])
A = (24) + (12 x 18)
A = 24 + 216
A = 240cm^2

I hope this helped? Comment if you need more explanation or anything!

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Help please i am stuck
BaLLatris [955]

Answer:

x = 25

Angle B = 65 degrees

Angle C = 50 degrees

Step-by-step explanation:

All triangles will add up to 180 degrees.

65 + 3x - 10 + 2x = 180

Combine like terms

55 + 5x = 180

Subtract both sides by 55

5x = 125

Divide both sides by 5

x = 25

Plug in the value for x in angle B:

3(25) - 10

75 - 10

65

Do the same for angle C:

2(25)

50

Check your work:

65 + 65 + 50 = 180

180 = 180

Correct

6 0
3 years ago
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mixas84 [53]

Answer:

x = 8

Step-by-step explanation:

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4 years ago
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tatyana61 [14]

Answer:

39.3

Step-by-step explanation:

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3 years ago
The hypotenuse of a right triangle is opposite.
Brums [2.3K]
FIRST ON IS THE RIGHT ANGLE AND THE SECOND ONE IS SUPPLEMENTARY
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Answer:

6:5

Step-by-step explanation:

Let a be the length of the longer side of the smaller rectangle and b be the length of the shorter side of the smaller rectangle

When you look at the combined rectangle from top to bottom, you can see that 3a=l. Therefore, a=\frac{1}{3}l

This is the same for 4b=l. Thus, b=\frac{1}{4}l

When you look from right to left, you can see that w = 2b+a. Using this, we can represent w in terms of l.

w=\frac{1}{2}l+\frac{1}{3}l\\\\w=\frac{5}{6}l

Now, we can find the ratio of l:w:

l:\frac{5}{6}l\\\\1:\frac{5}{6}\\\\6:5

<u>This question was quite hard to explain.</u>

<u>If you have any questions about the solution, feel free to ask.</u>

<u>Please have a look at the diagram below to get a better understanding of the solution.</u>

5 0
4 years ago
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