constract an triangle of ratio 1:2:3
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angles are in the ratio 1:2:3 ; let angles are x, 2x and 3x .
hence we have, x+2x+3x = 6x = 180° or x = 30°
hence angles are 30°, 60° and 90°.
Draw AB of length 10 cm. ...
we get triangle ABC as per requirement and it is shown in figure.
Other sides are found to be 5 cm and 8.7 cm.
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