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masya89 [10]
3 years ago
6

Find the value of X

Mathematics
1 answer:
almond37 [142]3 years ago
7 0

Answer:

100°

Step-by-step explanation:

the lower right angle is 180-149 = 31°

the sum of all three angles in a triangle is 180°.

so the solution is 180-31-49

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e-lub [12.9K]

Answer:

? = 13

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

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Work Shown:

(angle FXM) + (angle MXA) = angle FXA

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Answer:

The height of tower DB=111\ meters.

Step-by-step explanation:

Diagram of the given scenario is shown below.

Given that,

Distance between John and tower is  CE=150 \ meters.

Angle of elevation to the top of the tower is \angle DEC=36°.

Height of John is  CB=2\ meters.

To Find: Height of the tower DB.

So,

In triangle ΔDCE,

                    Tan(∠DEC)= \frac{DC}{CE}

                    Tan (36)= \frac{DC}{150}

                     DC= tan(36)\times 150

                     DC=108.98\ meters

Now,

To calculate the height of tower we have

                    DB=DC+CB

                    DB=108.98+2

                    DB=110.98\ meters ≈ 111 \ meters

Therefore,

The height of tower DB=111\ meters.

           

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Answer:

Step-by-step explanation:

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Fynjy0 [20]

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