3 years ago

Find the value of x in the triangle shown below. x = ___°

Mathematics

1 answer:

blagie [28]3 years ago

5 0

I think x= 70 rights

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A safety regulation states that the maximum angle of elevation for a rescue ladder is 72°. A fire department's longest ladder is

Julli [10]

Answer:

The maximum safe rescue height is 104.6 feet above the height of the ground.

Step-by-step explanation:

Consider a triangle ABC where C is the point where the rescue ladder is standing and AB be the building and Ladder making an angle of 72° as shown.

We have to find the height of the building.

Let x be the height of building

Using Trigonometric ratio,

$\sin C=\frac{\text{Perpendicular}}{\text{Hypotenuse}}$

$\sin 72^{\circ}=\frac{AB}{BC}$

$\sin 72^{\circ}=\frac{x}{110}$

$x=110 \times \sin 72^{\circ}$

$x=104.6$

So, the maximum safe rescue height is 104.6 feet above the height of

the ground.

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3 years ago

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9x2 + 3 = 111<br> answer

monitta

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NO 21

Step-by-step explanation:

9x2=18

18+3=21

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3 years ago

9 of 10

Aleks04 [339]

$\frac{3}{10}$

Answer:

Step-by-step explanation:

I just pressed 27/90 on the calculator hahahha

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2 years ago

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One is 25% of what number

Sergio039 [100]

Answer:

5 i think

Step-by-step explanation:

what your asking is 5x5? so 25

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2 years ago

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20 pounds of potatoes cost $8.00, How much does 1 pound cost?

quester [9]

Answer:

$0.40

Step-by-step explanation:

20 pounds = $8.00

1 pound = $8.00÷20

1 pound = $0.40

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2 years ago

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