CURVED SURFACE AREA OF A CONE IS 4070 CM SQUARE AND ITS DIAMETER IS 70 CM WHAT IS ITS SLANT HEIGHT?
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36.09
Step-by-step explanation:
CSA of cone = πrl
CSA = 4070 (given)
d= 70cm ( given)
=> r = 70/2 = 35 cm
therefore Slant height l=
4070= 22/7 × 35 × l
4070 = 22×5 l
l= 4070÷(22×5)
l= 814÷22
l= 407÷11
l ≈ 36.09cm
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