18. In the given figure, if y = 30, find (i) x, (11) z and (iii) u.
19. find the value of x in the following figures.
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18. In the given figure, if y = 30, find (i) x, (11) z and (iii) u.
19. find the value of x in the following figures.
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Answer:
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Step-by-step explanation:
Q18
angle u= angle y=30° (vertically opposite angles are equal)
angle x=angle z=360-60/2=150°(")
Q19
i) 6x+4x+2x=12x=180°
Therefore x=180/12=15°
ii)2x+x=180°
x=180/3=60°