35. Find the angle measure x in the following figure?
30°
.X
X
70°
60°
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Step-by-step explanation:
Answer
(a)
Sum of all interior angles of quadrilateral =360
0
∴50+130+120+x=300
x=60
0
(b)
90+a=180
a=90
Sum of all angles of quad =360
x+70+60+90=360
x=140
0
(c)
70+a=180 (Linear pair)
a=110
60+b=180 (Linear pair)
b=120
Sum of measures of all angles of pentagon =540
0
∴120+110+x+x+30=540
2x=280
x=140
HOPE THIS HELP YOU
ITS EXPERT IN MATHMATICS PHYSICS AND CHEMISTRY
thank you
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copy paste this li nk then look at whole exerciese for class 8
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