Mathematics · Geometry
The area of an equilateral triangle is 81√3 cm2. Find its side and altitude.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Side = 18 cm, Altitude = √3 cm
- 2Side = 9 cm, Altitude = 9√3 cm
- 3Side = 18 cm, Altitude = 9√3 cm✓
- 4Side = 8 cm, Altitude = √3 cm
Correct answer
Side = 18 cm, Altitude = 9√3 cm
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