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3 years ago

Please help my exam is on this tomorrow

Mathematics

2 answers:

sesenic [268]3 years ago

8 0

Do you see the right triangle in the picture ?

The TANGENT of angle-x is 10m/17.3m. Do the division, find that number, then use your calculator or search online to find the angle that has that number for its tangent.

I get roughly 30 degrees, but you should check me.

Ivan3 years ago

6 0

We know that :

$Tan\theta = \frac{Opposite\;Side}{Adjacent\;Side}$

From the Figure :

$Tanx = \frac{Height\;of\;the\;Tree}{Shadow\;of\;the\;Tree}$

Given : Height of the Tree = 10 m

Length of its Shadow = 17.3 m

⇒ $Tanx = \frac{10}{17.3} = 0.578$

⇒ $x = Tan^-^1(0.578)$

⇒ x° = 30°

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3 years ago

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3 years ago

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lubasha [3.4K]

Answer:

1) $65\textdegree$

2) $44\textdegree$

3) $107\textdegree$

4) $82\textdegree$

Step-by-step explanation:

1) Since the whole angle is $180\textdegree$ , and to find the other angle, which is labeled as $x$ , you subtract $115\textdegree$ from $180\textdegree$ :

$180 - 115 = 65$

$x = 65\textdegree$

2) Since you already have two angle measures $46\textdegree$ and $90\textdegree$ , you add them up and subtract it from $180\textdegree$ to get the angle measure for $x$ :