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標題:
F.3 暑期h.w.(maths)??!!
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發問:
The ratio of the curved surface areas of two similar cones is 9:49. Find the ratio of their a)base radii, b)heights, c)volumes, d)base circumferences. 希望你們好心幫幫我la~ Thanks~~~
最佳解答:
a) 9 : 49 = 開方 9/49 =3/7 b)9 : 49 = 開方 9/49 =3/7 3:7 c)9 : 49 = 開方 9/49 =3:7 3/7 =(3/7)三次方 =27/343 27:343 d9 : 49 = 開方 9/49 =3/7 3:7
其他解答:
a)base radii
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