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ICSE Class 10 Answered

Use ruler and a pair of compasses to construct a triangleABC in which BC=7.5cm, angle ABC =60 degree,AC-AB=1.5cm. Construct a circle of radius 2 cm to touch the arms of angle ACB.
Asked by imabhi264 | 02 Dec, 2016, 10:08: PM
answered-by-expert Expert Answer
 
begin mathsize 16px style S t e p s colon 1 right parenthesis space D r a w space B C space equals space 7.5 space c m 2 right parenthesis space A t space B comma space d r a w space angle X B C equals 60 degree 3 right parenthesis space P r o d u c e space X B space t o space T space t o space f o r m space l i n e space X B T 4 right parenthesis space f r o m space r a y space B T comma space c u t minus o f f space l i n e space s e g m e n t space B S space equals space 1.5 space c m 5 right parenthesis space J o i n space S C 6 right parenthesis space D r a w space p e r p e n d i c u l a r space b i s e c t o r space o f space S C space w h i c h space c u t s space B X space a t space A. 7 right parenthesis space J o i n space A C space t o space o b t a i n space r e q u i r e d space t r i a n g l e space A B C. 8 right parenthesis space D r a w space a n g l e space b i s e c t o r s space o f space angle B space a n d space angle C. 9 right parenthesis space L e t space t h e m space i n t e r s e c t space a t space p o i n t space P. 10 right parenthesis space A t space p o i n t space P space a n d space r a d i u s space 2 space c m comma space d r a w space a space c i r c l e space w h i c h space t o u c h e s space t h e space a r m s space o f space t r i a n g e l space A B C. end style
Answered by Rashmi Khot | 05 Dec, 2016, 03:11: PM

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