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konstantin123 [22]
3 years ago
8

If a figure has five vertices and eight edges, how many faces does it have?

Mathematics
2 answers:
sladkih [1.3K]3 years ago
4 0
5. it is a pyramid with a rectangular base
jek_recluse [69]3 years ago
3 0
It would have five faces hope this helps
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In the diagram below, BC is an altitude of ABD. To the nearest whole unit, what is the length of CD?
sergiy2304 [10]
For the answer to the question above, I'll show my solution on how you can solve your problem.
AC² + BC² = AB² 
<span>5² + 12² = AB² </span>
<span>25 + 144 = AB² </span>
<span>169 = AB² </span>
<span>13 = AB </span>

<span>Triangle ABC is proportional to triangle ADB. </span>

<span><u>AC </u>= <u>AB </u></span>
<span>AB    AD </span>

<span><u>5</u> = <u>13 </u></span>
<span>13  AD </span>

<span>5AD = 169 </span>

<span>AD = 169/5 </span>

<span>AD = 33.8 </span>

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<span>33.8 = 5 + CD 
</span>So the answer is

<span>CD = 28.8 </span>
8 0
3 years ago
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kenny6666 [7]
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erastovalidia [21]

Answer:

1. KLP + PLM = 180 degrees (straight line)

2. 3x + angle PLM = 180 degrees

3. angle PLM = 180 - 3x

4. PMN = P + PLM (Exterior angle)

5. 2x + 72 = x + 180 - 3x

6. x = 27

Step-by-step explanation:

1. Notice that angle KLP + angle PLM is a straight line, so KLP + PLM = 180 degrees (straight line)

2. angle KLP = 3x, so

3x + angle PLM = 180 degrees

3. angle PLM = 180 - 3x

4. PMN = P + PLM (Exterior angle)

5. 2x + 72 = x + 180 - 3x

6. 5 gives 4x = 108, so x = 27

6 0
3 years ago
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Draw place value disks on the place value chart 0.7 ÷ 4
Mama L [17]
Change 0.7 to 7/10 and 4 to 1/4,so it'll be 7/10x1/4, then find least common denominator, 40.change fractions to 28/40x10/40=280/40=70
4 0
3 years ago
Please help me to solve this!
OleMash [197]

Answer:

6

Step-by-step explanation:

4 0
3 years ago
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