Triangle ABC is an equilateral triangle …
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Posted by Anjali Kumari Saha 4 years, 8 months ago
- 3 answers
Gaurav Seth 4 years, 8 months ago
Answer:
Each altitude of the equilateral triangle is equal to
Thus,
To find:
Each of its altitudes = ?
Solution:
Given : ABC is an equilateral triangle of side 2a.
In equilateral triangle, △ADB = △ADC
& ∠ADB = ∠ADC (Both 90 degree as AD ⊥ BC)
Thus, △ ADB ≅ △ ADC (By R. H. S. Congruency)
As per CPCT i.e. they are corresponding parts of congruent triangle,
BD = DC
Using Pythagoras theorem,
Hence,
Thus, the altitudes of the given equilateral triangle is equal to
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Ranvijay Kumar 4 years, 8 months ago
0Thank You