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Tems11 [23]
3 years ago
14

Find the missing length. The triangles are similar.

Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

Answer:

RK= 13      SK= 12

Step-by-step explanation

First, we find the missing length of RK using the given information: 65-52=13

Then we divide 65 by 13 to get a scale factor: 65/13=5

(To check, we multipuly: 13*5=65)

We then apply the scale factor to MK to find SK: 60/5=12

(To check we multipuly: 5*12=60)

We now have our answers: RK:13, SK:12

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======================================

Explanation:

f(x) = sin(x/3)

is the same as

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and that is in the form

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The letters A,B,C,D are explained below

A = helps find the amplitude

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C = determines phase shift (aka left/right shifting)

D = determines vertical shift = midline

All we care about is the value of B as that is the only thing that is connected to the period T

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Compare f(x) = 1*sin( (1/3)(x-0) )+0 with f(x) = A*sin( B(x-C) )+D and we see that B = 1/3, so,

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1/3 = 2pi/T

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T = 6pi

The period is 6pi radians. This is equivalent to 1080 degrees. To convert from radians to degrees, you multiply by (180/pi).

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