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andrew-mc [135]
3 years ago
14

A, B & C form the vertices of a triangle.

Mathematics
1 answer:
kirza4 [7]3 years ago
6 0
<h3>Answer:  20.3</h3>

Work Shown:

tan(angle) = opposite/adjacent

tan(B) = AC/AB

tan(67) = x/8.6

8.6*tan(67) = x

x = 8.6*tan(67)

x = 20.2603303460843  ... make sure your calculator is in degree mode

x = 20.3  .... rounding to 3 significant figures

see diagram below

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Could someone answer these 3 for me?
KengaRu [80]

Answer:

x=4.77

Angle 3=98.32 degrees

Angle 6= 81.68 degrees

Step-by-step explanation:

(Assuming these are parallel lines), Angle 3 and angle 5 are equal because they are alternate Angles. Therefore we can write the following equation to solves for x:

16x+22=3x+84 (angle 3=angle5)

Which we can now solve:

16x +22 - 22 - 3x=3x-3x+84-22

13x=62

13x/13=62/13

x=4.77 (2dp)

We can then use this x to calculate angle 3:

16(4.77)+22

76.33+22=98.32 degrees

Finally,

Angle 6 and angle 3 are interior angles, so they add up to 180 degrees.

So to find angle 6,we can just subtract angle 3 from 180:

180-98.32=81.68 degrees.

Hope this helped!

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3 years ago
What is the IQR (interquartile range)?
Ivanshal [37]
Median..................
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3. What is the area of the shape shown below?
Monica [59]

Answer:

There is no picture below?

Step-by-step explanation:

3 0
3 years ago
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NNADVOKAT [17]
Answer: 50

Substitute 0 for x

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3 years ago
Radius equal 13.2km. What is the answer??
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Well the area is 13.2²π which = about 547.11 km² if that's what you're asking

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