0104 ungle marked as in each of the following figures where is the centre of the circle B 44 130 C (11) A 110 c 35 100 B 3 iv) 3 c
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2
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
Answered by
0
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
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