Mathematics, 20.10.2019 07:00 raiindrxp
Hemisphere o with radius 6 cm is given in the figure on the picture. when rotating it 30 degrees with b, which is one end of the diameter ab, as the center of rotation, answer the following questions.
①find the circumference of the shaded part
②find the area of the shaded part
how do i solve!
Answers: 1
+ 
= 2*3.14*36 = 226.08 cm^2
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Hemisphere o with radius 6 cm is given in the figure on the picture. when rotating it 30 degrees wit...
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