CBSE Class 10 Maths (Standard) 2019 · Paper 30/1/1 · Question 27

Constructions (old syllabus) 4 marks Medium

Construct a

△ A B C

in which

C A = 6

cm,

A B = 5

cm and

∠ B A C = 4 5^{\circ}

. Then construct a triangle whose sides are

\frac{3}{5}

of the corresponding sides of

△ A B C

Answer

△ A B^{'} C^{'}

with

A B^{'} = 3

cm and

A C^{'} = 3.6

cm, similar to

△ A B C

with scale factor

\frac{3}{5}

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