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AD is an altitude of an isosceles triangle ABC in which AB=AC.Show that  ( i )AD bisects BC (ii) AD bisects angle A.
Asked by Nagu.sahukar1543 | 14 Nov, 2018, 08:11: AM
answered-by-expert Expert Answer
 
begin mathsize 16px style In space increment BAD space and space increment CAD angle ADB equals angle ADC space space space space space space space space space space space space space space space space AD space is space an space altitude AB space equals space AC AD equals AD increment BAD space approximately equal to space increment CAD space space space space space space space space space space space space By space RHS BD equals CD space space space space space space space space space space space space space space space space space space space space space space space space space space space CPCT Hence space AD space bisect space BC angle BAD equals angle CAD Hence space AD space bisects space angle straight A end style
Answered by Sneha shidid | 14 Nov, 2018, 02:21: PM

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CBSE 9 - Maths
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CBSE 9 - Maths
AD is an altitude of an isosceles triangle ABC in which AB=AC.Show that  ( i )AD bisects BC (ii) AD bisects angle A.
Asked by Nagu.sahukar1543 | 14 Nov, 2018, 08:11: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 9 - Maths
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