a cone of slant height 25cm has a curved surface area of 550cmsquare find it's height
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Answer:
l = 25 cm
curved surface area = 550
pie × r × l = 550
22/7 × r × 25 = 550
550 r = 550 ×7
r = 3850 ÷ 550
r = 7 cm
To find it's height
l square = r square + h square
25 × 25 = 7 × 7 + h square
625 = 49 + h square
625 - 49 = h square
576 root = h
24 cm = h
Therefore, height is 24 cm
Step-by-step explanation:
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