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3 years ago

7 A triangular sail has a base length of 2.5 av-ea of the is 3.75 square meters How tan is the A , , , ,. , , ,, .. -.

Mathematics

1 answer:

zavuch27 [327]3 years ago

7 0

The anser is 6.25. Can you help me on mines?

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3 years ago

Sean b= 5,79; c= 10,4,el angulo A= 54,46°, el angulo C mide ?

Rzqust [24]

Answer:

$C \approx 91.732^{\circ}$

Step-by-step explanation:

(This exercise is presented in Spanish and for that reason explanation will be held in such language)

El lado restante se determina por la Ley del Coseno:

$a = \sqrt{b^{2}+c^{2}-2\cdot b\cdot c \cdot \cos A}$

$a = \sqrt{5.79^{2}+10.4^{2}-2\cdot (5.79)\cdot (10.4)\cdot \cos 54.46^{\circ}}$

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Finalmente, el angulo C se halla por medio de la misma ley:

$\cos C = - \frac{c^{2}-a^{2}-b^{2}}{2\cdot a \cdot b}$

$\cos C = -\frac{10.4^{2}-8.466^{2}-5.79^{2}}{2\cdot (8.466)\cdot (5.79)}$

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3 0

3 years ago

Show the working out too please in numbers, thank you.

vazorg [7]

Hii :))

$\tt \: - 5 = \frac{x}{6} \\ \tt \: - 5 \times 6 = x \\ \boxed{ \tt \: - 30 = x}$

__________________

The correct value of x is - 30.

$\overbrace{ \underbrace{ \sf \: \infty \: Carry \: on \: Learning \: \infty }}$

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