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3 years ago

Help now plz will give 98 points and mark brainliest plz help

Mathematics

2 answers:

goblinko [34]3 years ago

7 0

X = 7 here’s a picture on how you do it

Illusion [34]3 years ago

4 0

Answer:

m goin to make this as short as possible

10x + 8x + 6

18x + 6 = 136

18x = 126

x = 7

~batmans wife dun dun dun

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Find side x , give your answer 1 decimal place

Vladimir [108]

Given:

Let A denote the angle of the given triangle which measures ∠A = 81°

Let B denote the angle which measures ∠B = 40°

The length of the side a = x.

The length of the side b = 7 cm.

We need to determine the value of x.

Value of x:

The value of x can be determined using the law of sine formula.

Applying the law of sine, we have;

$\frac{sin \ A}{a}=\frac{sin \ B}{b}$

Substituting the values, we have;

$\frac{sin \ 81^{\circ}}{x}=\frac{sin \ 40^{\circ}}{7}$

Simplifying, we get;

$\frac{0.988}{x}=\frac{0.643}{7}$

Cross multiplying, we have;

$0.988 \times 7=0.643 x$

$6.916=0.643x$

$10.8=x$

Thus, the length of the side x is 10.8 cm.

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hope it helps

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