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प्रश्न
Find the altitude of an equilateral triangle of side `6sqrt(3)` cm.
बेरीज
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उत्तर
Given: Side = `6sqrt(3)` cm.
Step-wise calculation:
1. For an equilateral triangle of side a.
The altitude `h = (sqrt(3)/2) xx a`.
2. Substitute `a = 6sqrt(3)`:
`h = (sqrt(3)/2) xx (6sqrt(3))`
= `(6 xx (sqrt(3) xx sqrt(3)))/2`
= `(6 xx 3)/2`
= `18/2`
= 9 cm
The altitude is 9 cm.
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