construct a triangle A B C IN which BC = 5cm and and angle B = angle C = 45° each show the line of symmetry.
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construct a triangle A B C IN which BC = 5cm and and angle B = angle C = 45° each show the line of symmetry.
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QUESTION:
ANSWER:
Construct a triangle ABC having BC = 5 cm, ∠B = 90° and ∠C = 45°. Draw all possible lines of symmetry.
(a) Draw a line segment BC = 5 cm.
(b) At B, draw a ray making an angle of 90° and at C, an angle of 45° meeting each other at A.
Then △ABC is the required triangle whose A will be also 45°
(c) Draw the bisector of ∠B which bisect the side AC.
This is the only line of symmetry
ADDITIONAL INFORMATION:
WHAT IS SYMMETRY?