Home » In the diagram, STUV is a straight line. o and o. Calculate

In the diagram, STUV is a straight line. o and o. Calculate

In the diagram, STUV is a straight line. o and o. Calculate

A.
150^o
B.
140^o
C.
130^o
D.
120^o

Correct Answer: Option A

Explanation

o = 180^o (
o – 110^o = 70^o
In (bigtriangleup) XTU, o
i.e. o = 180o = 70^o
Also

i.e.

i.e. o = 180o
in (bigtriangleup) SYT + o(Sum of interior

SYT + 40 + 110 = 180
Also

but

i.e. 30 + 30 +

but

60 + 2(

2(o – 60
2(o
TYW = (frac{300}{2}) = 150^o

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