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klasskru [66]
3 years ago
5

Please help!!! I'm super confused with this one, show work so that I can figure out what I did wrong.

Mathematics
1 answer:
givi [52]3 years ago
5 0

Answer: The length of CU is 117 units.


Step-by-step explanation:

Given: ΔWCD≈ΔWUV

We know that if two triangles are similar, then their corresponding sides are proportional.

∴ \frac{WU}{WC}=\frac{WV}{WD}

\frac{36x-1}{26}=\frac{110}{20}\\\Rightarrow\ 36x-1=\frac{11}{2}\times26\\\Rightarrow36x-1=143\\\Rightarrow\ 36x=143+1\\\Rightarrow\ 36x=144\\\Rightarrow\ x=4

∴ WU=36(4)-1=143

Also , WU=WC+CU

⇒CU=WU-WC

⇒CU=143-26=117 units

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Point C is the midpoint of AB.point A has coordinates (2,4)and point C has coordinates (5,0) what are the coordinates of point B
devlian [24]

Answer:

The coordinates of point B is (8,-4)

Step-by-step explanation:

Midpoint of a line segment: It is the point on the line segment that divides the segment in two congruent segments.

Since it is given that C is the midpoint of Line segment AB.

Mid-point of a segment of end points A(x_{1},y_{1}) and B(x_{2},y_{2}) is, C= (\frac{x_{1}+x_{2}}{2} , \frac{y_{1}+y_{2}}{2}).

As, given the coordinates of A and C are (2,4) and (5,0)

then,  we have x_{1}=2 , y_{1}=4 ; \frac{x_{1}+x_{2}}{2}=5  and \frac{y_{1}+y_{2}}{2}=0

to find the coordinates of B(x_{2},y_{2}).

\frac{2+x_{2}}{2}=5

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2+x_{2}=10

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to solve for y_{2} we have, \frac{y_{1}+y_{2}}{2}=0

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3 0
3 years ago
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