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My name is Ann [436]
2 years ago
7

13 (2) 2012 Measement/23 of Trapezoids and the figures

Mathematics
1 answer:
Yakvenalex [24]2 years ago
6 0

Answer:

The answer is 40.5 which is D

Step-by-step explanation:

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not sure which is the origional-

if the big one is the origiinal, then 1/2

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How many triangles can be made with a 70 degree angle a 30 degree angle and an 80 degree angle​
uranmaximum [27]

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Find BC :<br> I am having trouble finding can anyone help ?
Zina [86]
24 because 12 + 12 = 24 and and CD = DB

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2 years ago
In the figure, VW || YZ. Find the value of x, and the measure of YA and WA.
svetoff [14.1K]

Step-by-step explanation:

because VW || YZ, the 2 triangles are similar.

this is given by the rules of equal angles of intersecting lines with parallel lines. Z to V and Y to W would be such intersecting lines.

and therefore, the angle at W is the angle at Y, the angle at V is the angle at Z. and therefore both angles at A are equal.

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e.g. the same scaling factor that converts 7.2 to 12, converts then also x to x+4.

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