find the height of an equilateral triangle whose side is 4 cm.
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Height = 3.46 cm
Step-by-step explanation:
GIVEN
Side = 4 cm
___________________________
TO FIND
Height
___________________________
We know that,
All sides of an equilateral triangle are equal
Therefore,
All sides of a triangle is 4 cm
___________________________
We know that,
Hypotenuse² = Base² + Height²
Here,
Hypotenuse = 4 cm
Base = 2 cm
Height = ?
Height² = Hypotenuse² - Base²
Height² = 4² - 2²
Height² = 16 - 4
Height² = 12
Height = √12
Height = 3.46
Height = 3.46 cm
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