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Sagot :
Answer:
42 cm
Step-by-step explanation:
Let the radius of the ptractor be r cm
Then,
Perimeter = 108 cm
=1/2 (2pie r) +2r =108 cm
:. The perimeter of the semi circle = 1/2 (2 pie r)
= pie r +2r = 108 = 22/7 × r + 2r = 108
= 36r = 108 × r =108 ×7
= r=3×7 = 21
Diameter of the ptractor = (2×21=24cm)
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