Two triangles are said to be congruent if they have the same shape and size.
Every triangle has 3 angles and 3 sides. How many of these 6 conditions (angles and sides) should be given to check if a pair of triangles are congruent?
Is it true?
Sally said that the class can construct congruent triangles given angle A = 50°, BC = 9cm and AC =10cm. Give your comments.
Alternative Method to Construct Angle Bisector?
The following diagram shows a way to construct an angle bisector for angle ABC using a ruler. Why does the method work?
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