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expeople1 [14]
3 years ago
6

the leaning tower of pisa in italy makes an angle of 86 degrees with the ground. a person standing on the ground approximately 8

2 feet from the tower at an angle of 69 degrees. how tall is the tower?

Mathematics
2 answers:
Art [367]3 years ago
8 0
See the picture to better understand the problem

we know that
in the triangle ABC
∠A+∠B+∠C=180°
∠C=180-(86+69)-----> ∠C=25°
Applying the law of sines
b/sin B=c/sin C------> b=c*sin B/sin C-----> b=82*sin 69/sin 25
b=181.14 ft

the answer is
181.14 ft

astraxan [27]3 years ago
8 0

Answer:

Step-by-step explanation:

C. 181 ft

A. 139 ft

B. Lighthouse A is closer to the boat since lighthouse B is 80.2 meters away

C. Either 46.27 miles or 17.43 miles

C. 88 Degrees

B. About 109 meters

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Juli2301 [7.4K]

Answer:

8. 0

9. undefined

Step-by-step explanation:

8. 0

> because the y variable is the same for all x-values, this is a horizontal line. Horizontal lines have a slope of 0.

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9. undefined

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<em />

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3 0
2 years ago
Identify the % of change as an increase or decrease.
Verizon [17]
It is a percent increase and it increased by 15%

I got this answer by doing 24.61/21.40 which equals 1.15

You can check this answer by doing 21.40 * .15 on a calculator and when you do this you get 3.21 which you can then add back to 21.40 to get $24.61
4 0
3 years ago
Please help me, I’m struggling
Rzqust [24]

Answer:

28\sqrt{6}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

\sqrt{96}

= \sqrt{16(6)}

= \sqrt{16} × \sqrt{6}

= 4\sqrt{6}

Then

7\sqrt{96}

= 7 × 4\sqrt{6}

= 28\sqrt{6}

8 0
3 years ago
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