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3 years ago

If two angles are supplementary and one angle measures 47°, what is the measure of the other angle?

Mathematics

2 answers:

Elina [12.6K]3 years ago

4 0

Answer:

133 degrees

Step-by-step explanation:

X+47=180

X=133

Kisachek [45]3 years ago

3 0

Answer:

133 degrees.

Step-by-step explanation:

Supplementary means the angles at to 180 degrees, so you would subtract 47 from 180 and get 133 degrees.

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Naddika [18.5K]

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3 years ago

I can’t find the area can you please help me with it. It’s the question with the question mark

Romashka-Z-Leto [24]

Answer:

1947 units^2

Step-by-step explanation:

you can split it up into different sections of rectangles.

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julia-pushkina [17]

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Step-by-step explanation:

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3 years ago

Find the solutions for a triangle with a = 16, c =12, and B = 63º.

maks197457 [2]

Answer:

b. A = 71.6°; C = 45.40°; b =15.0

Step-by-step explanation:

The missing values can be found with the help of the Law of Cosine and properties of triangles:

Side b (Law of Cosine)

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

$b = \sqrt{16^{2}+12^{2}-2\cdot (16)\cdot (12) \cdot \cos 63^{\circ}}$

$b \approx 15.022$

Angle A (Law of Cosine)

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

$\cos A = - \frac{16^{2}-15.022^{2}-12^{2}}{2\cdot (15.022)\cdot (12)}$

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$A= \cos^{-1} 0.315$

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$C = 180^{\circ} - 63^{\circ} - 71.639^{\circ}$

$C = 45.361^{\circ}$

Hence, the right answer is B.

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igor_vitrenko [27]

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