42. For the given figure find x + y + z
90°
OX30°
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10Ah
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Answer:
the answer is here given ia 360
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Step-by-step explanation:
x+90°=180°
x=180-90
x=90 (exterior =sum of interior opposite angles)
y= 90+30
y=120
from figure
90+30+d=180 (d is unknown angle inside the triangle)
120+d=180
d=60
z=60+90
z=150
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