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Ede4ka [16]
3 years ago
7

From the similar triangles in the diagram, write a proportion using the ratio WX/WV

Mathematics
2 answers:
dangina [55]3 years ago
7 0
The 3 similar triangles shown in the figure are:

a) Triangle WXV 
b) Triangle WVY
c) Triangle VXY

For the similar triangles, the ratio of their corresponding sides is always equal.

From Triangle WXV, we are given the ratio WX/WV. 
The side corresponding to WX, in Triangle WVY will be WY and side corresponding to WV will be WY.

So, we can write:

WX/WV = WV/WY

Moreover,
The side corresponding to WX, in Triangle VXY will be VX and side corresponding to WV will be VY.

So, we can write:

WX/WV = VX/VY

From these two equation, we can write:

VX/VY = WV/WY

So, option B gives the correct answer
Papessa [141]3 years ago
5 0
The similarities are VWX ~ YVX ~ YWV. Matching corresponding letters, you have
  WX/WV = VX/VY = WV/WY

The appropriate choice is ...
  B. VX/VY = WV/WY
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If cos -105º = -0.26 and csc -105º = -1.03, then cos 105º = and csc 105º = .
andreyandreev [35.5K]

Answer:

cos (105°) = - 2.6

csc (105°) = 1.03

Step-by-step explanation:

Given that cos (-105°) = - 0.26 {The negative sign is due to the angle - 105° lies in the third quadrant where cos value is negative}

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