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07 Feb 2018, 05:59
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In the figure above, is angle ABC a right angle?
(1) AC is the diameter of the circle.
(2) AB = BC
Attachment:
2018-02-07_1657.png [ 7.89 KiB | Viewed 2052 times ]
07 Feb 2018, 13:43
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Inscribed angles:
- In order for Angle ABC to be 90, AC must be the diameter.
(1) AC is the diameter of the circle --> SUFF --> A or D
(2) AB = BC --> Many different cases. --> INS
Answer is A
- In order for Angle ABC to be 90, AC must be the diameter.
(1) AC is the diameter of the circle --> SUFF --> A or D
(2) AB = BC --> Many different cases. --> INS
Answer is A
rahul12988
11 Sep 2019, 20:20
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A) Prop of circle. AC is the diameter of the circle then angle b= 90 Suff
B) AB = BC then A= 45 C=45 & B =90
A= 60 C=60 B =60 so NS
Ans A
B) AB = BC then A= 45 C=45 & B =90
A= 60 C=60 B =60 so NS
Ans A
