CBSE Class 10 Maths (Standard) 2020 · Paper 30(B) · Question 36(a)

Constructions (old syllabus) 4 marks Medium

Write the steps of construction of a

△ A B C

in which

A B = 5

cm,

B C = 6

cm and

∠ A B C = 6 0^{\circ}

. Then write the steps of construction of another triangle whose sides are

\frac{3}{4}

times the corresponding sides of

△ A B C

Answer

△ A^{'} B C^{'}

is constructed similar to

△ A B C

with

A^{'} B : A B = B C^{'} : B C = C^{'} A^{'} : C A = 3 : 4

, where

A^{'}

lies on

B A

and

C^{'}

B C

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