A wheel makes 19 revolutions to cover a distance of 4598m. What is the diameter of wheel?
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first we have to find the circumference so
c = 4598÷19
=242
so circumference is 242. now we have to find radius.
2×π×r = 242
2×22/7×r
22/7×r=242×2
r=484×7/22
r=3388/22
r=154
now diameter = r × 2
=154 x 2=308
c = 4598÷19
=242
so circumference is 242. now we have to find radius.
2×π×r = 242
2×22/7×r
22/7×r=242×2
r=484×7/22
r=3388/22
r=154
now diameter = r × 2
=154 x 2=308
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