In figure 32 if y is five times x, find the value of z.
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Answer:
y= 5x
x= x
R = 60°
Sum of all angles of triangle is 180°
=> 5x+x+60° = 180°
=> 6x = 180° - 60°
=> x = 120° / 6
= x = 20°
y= 5x
= 5× 20°
= 100°
z+x = 180° [ angle on straight line ]
=> z + 20° = 180°
=> z = 180° - 20°
=> z = 160°
x = 20°
y= 100°
z= 160°
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