diameter, radius, circumference
1-10 po yan
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diameter, radius, circumference
1-10 po yan
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4. Diameter(d) = ?
Radius(r) = 18
Circumference(c) = ?
d = 2r, r = 18
d = 2(18)
d = 36m
c = πd, d = 36
c = 36π
c = 113.1m (estimated)
5. d = 14
r = ?
c = ?
r = d/2, d = 14
r = 14 / 2
r = 7mm
c = πd
c = 14π
c = 44mm (estimated)
6. r = 72
d = ?
c = ?
d = 2r, r = 72
d = 2(72)
d = 144m
c = πd, d = 144
c = 144π
c = 452.4m (estimated)
7. d = 2.5
r = ?
c = ?
r = d/2, d = 2.5
r = 2.5/2
r = 1.25cm
≈ ¼cm
c = dπ
c = 2.5π
c = 7.9cm (estimated)
8. r = 13.5 (13 ½)
d = ?
c = ?
d = 2r, r = 13.5
d = 2(13.5)
d = 27in
c = dπ, d = 27
c = 27π
c = 84.9in (estimated)
9. d = 112.5
r = ?
c = ?
r = d/2, d = 112.5
r = 112.5/2
r = 56.25in
≈ 56 ¼in
c = dπ
c = 112.5π
c = 353.4in (estimated)
10. r = 20.75 (20 ¾)
d = ?
c = ?
d = 2r
d = 2(20.75)
d = 41.5cm
≈ 41 ½cm
c = dπ, d = 41.5
c = 41.5π
c = 130.4cm (estimated)
Hope it helps. :'>