This one.
The doubly-shaded area is the solution set. The dashed line is not included.
The doubly-shaded area is the solution set. The dashed line is not included.
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1 answer:
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The length of the altitude is
Explanation:
Let ABC be an equilateral triangle.
It has sides of length 16 cm
Let AD be the altitude of the triangle.
We need to determine the length of an altitude.
Let AC = 16 cm and CD = 8 cm
Let us consider the right angled triangle ADC
Using the Pythagorean theorem, we have,
Substituting the values, we get,
The length of the altitude is