Find the perimeter of a triangular park whose lengths are 15m, 20.5m, and 17.5m .Also find its semi perimeter. please answer this with full process
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Answer:
Perimeter = 53m
Semi-perimeter = 26.5m
Step-by-step explanation:
Semi perimeter = (a + b + c)/2
= (15 + 20.5 + 17.5)/ 2
= 53/2
= 26.5m
Perimeter = a + b + c
= 15 + 20.5 + 17.5
= 53m
HOPE IT HELPS!
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