33.If the three angles of a quadrilateral are 120o , 130o, 10o then what is the fourth angle ?
(a)30o (b)100o (c) 40o (d) 90o
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HI there !!
angle sum of a quadrilateral = 360°
unknown angle = x
120 + 130 + 10 + x = 360
260 + x = 360
x = 100°
the answer is option (b)100°
angle sum of a quadrilateral = 360°
unknown angle = x
120 + 130 + 10 + x = 360
260 + x = 360
x = 100°
the answer is option (b)100°
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