Exemplar exercise problems II — task. Mathematics CBSE, Class 9.

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1. In \(\triangle ABC\), \(AB = AC\) and \(\angle B = 50^{\circ}\). Then \(\angle C\) is equal to

\(40^{\circ}\)
\(50^{\circ}\)
\(80^{\circ}\)
\(130^{\circ}\)

2. In \(\triangle ABC\), \(BC = AB\) and \(\angle B = 80^{\circ}\). Then \(\angle A\) is equal to

\(40^{\circ}\)
\(100^{\circ}\)
\(80^{\circ}\)
\(50^{\circ}\)

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