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aniked [119]
3 years ago
6

Can Somone help me please.

Mathematics
1 answer:
leonid [27]3 years ago
7 0

Answer: Perimeter of a Triangle Formula Equilateral Triangle Formula

Acute angled Triangle Isosceles Triangle Perimeter Formula

Step-by-step explanation:

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Answer:

\textbf{$x \in (-\infty, 3] $}\\

Step-by-step explanation:

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3 years ago
a forest ranger in a 140-foot observation tower sees a fire moving in a direct path toward a lake. the angle of depression to th
Setler79 [48]

Answer:

1675 ft

Step-by-step explanation:

For us to calculate how close the windmill is to the fire, if we imagine it as a triangle, the distance from watch tower to the fire will be:

tan θ= opposite/adjacent

opposite=140 ft

adjacent = x

θ=3°

Thus;

tan 3 = 140/x

x=140/tan 3

x = 2,671.359 ft

Now, the distance from watch tower to windmill will be:

tan θ=opposite/ adjacent

θ=8°

opposite=140 ft

adjacent=y

thus

tan 8 = 140/y

y = 140/tan8

y=996.15 ft

Now, the distance between fire and wind mill will be:

x - y = 2671.359 - 996.15

x - y = 1675.209 ≈ 1675 ft

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4 years ago
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ABC is an equilateral triangle, solve y
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Answer:

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This should be the answer
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