find the unknown sizes of the following
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Answer:
X=70
Y=40
Step-by-step explanation:
Sum of any triangle=180°
Adding YXU and XYU=70°
angle YUX=110° [Subtracting (180-70)]
angle XUV=70° (Adjacent angles are 180°)
It is given XU=XV. Hence it is an isosceles triangle. The opposite angles would be equal
Therefore, XVU=70°
angle UVZ=110° (Adjacent angles are 180°)
Sum of any triangle=180°
Adding VYZ and YVZ=140°
angle YZV=40°[Subtracting (180-140)]
Therefore, YZV=40°
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