To find the total length of the race course around the triangle-shaped grassy area, we need to add the lengths of all three sides of the triangle.
From the information you've provided, it appears the lengths are:
- Side 1: 2.4 km
- Side 2: 1.524 km
- Side 3: 1.83 km
Now, let's sum these lengths: \[ 2.4 , \text{km} + 1.524 , \text{km} + 1.83 , \text{km} = 5.754 , \text{km} \]
So, the total length of the race course is 5.754 km.
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