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ELEN [110]
2 years ago
8

a pole that is 3m tall casts a shadow that is 1.72m long. at the same time, a nearby building casts a show that is 50.5 m long.

how tall is the building
Mathematics
1 answer:
Veronika [31]2 years ago
8 0

Answer:

88.08 m tall

Step-by-step explanation:

Pole:

tall/long
3/1.72

Building:

tall/long

x/50.5

Solve for x:

3/1.72 = x/50.5

1.72x = 151.5

x ≈ 88.08

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Step-by-step explanation:

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3 years ago
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Delicious77 [7]
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For finding side a, you can answer this easily by the Law of Cosines. The equation is

a2=b2 +c2 -2bccosA
a2 = 11^2 + 8^2 -2(11)(8)(cos54)
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a = √81.55
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Then, we use the Law of Sines to find angles B and C. The formula would be

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9/sin54° = 8/sinC
C = 45.6°

The answer would be: a ≈ 9, C ≈ 45.6, B ≈ 80.4
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3 years ago
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Through: (3, -2) and (0, -5)<br> What is the slope
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