CBSE Class 10 Maths (Standard) 2017 · Paper 30/1/1 · Question 21

Constructions (old syllabus) 4 marks Medium

Construct an isosceles triangle with base

8

cm and altitude

4

cm. Construct another triangle whose sides are

\frac{2}{3}

times the corresponding sides of the isosceles triangle.

Answer

The construction yields isosceles

△ A B C

(base

8

cm, altitude

4

cm) and a similar

△ A^{'} B C^{'}

with every side

\frac{2}{3}

of the corresponding side of

△ A B C

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