Eufsviz
Answered

what is the altitude of an equilateral triangle whose sides is 8cm long

Sagot :

altitude² = (8)² - (8/2)²

altitude² = 64 - 16

altitude² = 48

[tex] \sqrt{altitude ^{2} } = \sqrt{48 } [/tex]

altitude = [tex] \sqrt{(16)(3)} [/tex]

altitude = [tex]4 \sqrt{3} [/tex] cm