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18-07-2020
Mathematics

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calculate the height of an equilateral triangle with side is 8 cm long

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louiscera louiscera

18-07-2020

Step-by-step explanation:

use pythagoras theorem for finding the height

hypotenuse is 8cm

base is 4 cm

height?

a^2+b^2=c^2

64-16=a^2

a=7.07cm

Height of equilateral triangle is 7.07cm

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