Multiple choice question II — task. Mathematics State Board, Class 9.

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1.

The correct statement out of the following is:

\(\Delta ABC \cong \Delta DFE\)
\(\Delta ABC \cong \Delta DEF\)
\(\Delta ABC \cong \Delta FDE\)
\(\Delta ABC \cong \Delta FED\)

2. The angles of the triangle are \(3x - 40\), \(x + 20\) and \(2x - 10\), then the value of \(x\) is:

\(35^\circ\)
\(40^\circ\)
\(45^\circ\)
\(50^\circ\)

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