1 Answer

Sudipta Deb · Answer 1 · 2024-01-03T03:38:17+0000

Congruent: have the same length

$\begin{gathered} EF\parallel HG \\ EH\parallel FG \\ \\ EF\cong HG \\ EH\cong FG \end{gathered}$

EFGH is a parallelogram

When two lines form a angle of 90º, the lines are perpendicular

$\begin{gathered} AB\perp CD \\ CB\cong DB \end{gathered}$

A traingle with two equal sides and two equal angles is a sisosceles traingle

$\begin{gathered} MO\cong NO \\ \angle NMO\cong\angle ONM \end{gathered}$

MNO is an isosceles triangle

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