Gujarat BoardEnglish MediumSTD 7MATHSPractical Geometry Symmetry and Visualising Solid Shapes3 Marks
Question
Construct a right-angled isosceles triangle with one side (other than hypotenuse) of length $4.5\ cm.$
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Answer
Steps of construction: Step I Draw a line $AB = 4.5\ cm.$ Step II Construct a right angle $(90^\circ )$ at point $B,$ i.e. $\angle ABY = 90^\circ .$ Step III From point $B,$ cut an arc $4.5cm$ on $BY$ at $C.$ Step IV Join $C$ to $A.$ Hence, $\triangle ABC$ is the required triangle having $AB - AC = 4.5\ cm.$
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