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3 years ago

What is the perimeter of the triangle in the diagram? a + b + a2 + b2 2(a + b)

2 answers:

8 0

W. A = h(b1 + b2 ). 1. 2 b1 b2 h r h. A = lw p = 2(l + w) l w r c2 = a2 + b2 a c b r. 4. 3 h l r. 1. 3. V = Bh ... B.AB line segment AB. AB line AB. AB. ABC triangle ABC. AB measure of line segment AB .... 14 In the Venn diagram below, V represents the set of all vehicles, M represents the set of all .... 39 The ratio of the perimeter of.
39

inn [45]3 years ago

7 0

Where is the triangle?

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2 years ago

If tan ⁡x=12/5, and 0°

Charra [1.4K]

The value of sin(2x) is $\frac{120}{169}$

Explanation:

Given that $tan x =\frac{12}{5}$

The formula for $sin(2x)$ is $\sin (2 x)=2 \sin x \cos x$

Since, $\tan x=\frac{o p p}{a d j}$

Also, it is given that $tan x =\frac{12}{5}$

Thus, $opp=12$ and $adj=5$

To find the hypotenuse, let us use the pythagoras theorem,

$\begin{aligned}h y p &=\sqrt{12^{2}+5^{2}} \\&=\sqrt{144+25} \\&=\sqrt{169} \\&=13\end{aligned}$

Now, we can find the value of sin x and cos x.

$\sin x=\frac{\text { opp }}{h y p}=\frac{12}{13}$

$\cos x=\frac{a d j}{h y p}=\frac{5}{13}$

Now, substituting these values in the formula for sin 2x, we get,

$\begin{aligned}\sin (2 x) &=2 \sin x \cos x \\&=2\left(\frac{12}{13}\right)\left(\frac{5}{13}\right) \\&=\frac{120}{169}\end{aligned}$

Thus, the value of sin(2x) is $\frac{120}{169}$

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2 years ago

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2 years ago

Which set of measurements can represent the lengths of a triangle's sides?

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Triangle, not a triangle, not a triangle, triangle

Determining if three side lengths can make a triangle is easier than it looks. All you have to do is use the Triangle Inequality Theorem, which states that the sum of two side lengths of a triangle is always greater than the third side. If this is true for all three combinations of added side lengths, then you will have a triangle.[

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1 year ago