Question

how can we easily show the congurency between triangles?please help me because i have no idea about it...

Answer 1

Hola!

For congruency of two triangles you must find 3 accurate things like angle or side equal. There are four types of congruency :

» SSS --> All three sides of a triangle is equal to the sides of the corresponding triangle

» SAS --> Two sides must be and the included angle must be equal to the corresponding sides and the included angle of the other triangle

»AAS --> Two angles and a side must be equal to the corresponding angles and sides of the other triangle

» RHS --> The hypotenuse, any one side should be equal to the corresponding hypotenuse and the side of the other triangle. Also in this case one angle of each triangle should be 90°
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