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Blizzard [7]
3 years ago
14

which of the following angles would from an obtuse isosceles triangle 100,40,40 30,75,75 90,30,60

Mathematics
1 answer:
Vesna [10]3 years ago
7 0

Answer:

100, 40, 40

Step-by-step explanation:

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From the side of a hill wai-kin looks up at the top of a nearby vertical cliff at an angle of elevation of 36 degrees and looks
oksano4ka [1.4K]

Answer:

881.5 meters.

Step-by-step explanation:

The horizontal plane at the level of wai-kin's eyes divide the height of the cliff into two parts. Let the upper part be represented by x and the lower part be represented by y.

The height of the cliff = x + y

Applying the appropriate trigonometry functions.

To determine the value of x;

Tan θ = \frac{opposite}{adjacent}

Tan 36^{o} = \frac{x}{490}

⇒ x = 490 x Tan 36^{o}

      = 490 x 0.7265

     = 355.985

x = 356 meters

To determine the value of y;

Tan θ = \frac{opposite}{adjacent}

Tan 47^{o} = \frac{y}{490}

⇒ y = 490 x Tan 47^{o}

      = 490 x 1.0724

      = 525.476

y = 525.5 meters

Therefore,

The height of the cliff = x + y

                                   = 355.985 + 525.476

                                   = 881.461

The height of the cliff is 881.5 meters.

3 0
3 years ago
Solve for x I need help on this question
AlexFokin [52]

Answer:

x\approx7.8

Step-by-step explanation:

In relation to the given angle, we are given the triangle's opposite side and hypotenuse. Therefore, we use the sine function to set up a proportion and solve for the opposite side:

sin(\theta)=\frac{opposite}{hypotenuse}

sin(23^\circ)=\frac{x}{20}

20sin(23^\circ)=x

x=20sin(23^\circ)

x\approx7.8

Therefore, the length of the opposite side is about 7.8 units

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Answer:

Muercury 3

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Step-by-step explanation:

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2 years ago
Question down below. Thank you
Ann [662]

Answer:

N/A.

Step-by-step explanation:

I will not answer your question and I will be flagging it due to you adding a test/exam question.

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3 years ago
A sphere and a cylinder have the same radius and height. The volume of the cylinder is 18 cm.
Oksi-84 [34.3K]

Answer:

38cm3

Step-by-step explanation:

8 0
3 years ago
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