Question

find the height of an equilateral triangle whose side is 18cm​

Answer 1

Answer:

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Answer 2

Answer:

equilateral triangle those sides are equal

Step-by-step explanation:

so let's

one side =18

second side =X

and third side X

so, X+X+18 =180

2x+18 =180

2x=180-18

2x=162

x=162/2

x=81 sorry it's wrong answer