student18128

解答 0

• Danny1210

  2020-06-07 22:29:45

  1a) 12 x 6 - π 6^(2)/2 =15.5 b) 12 +6 +6 + 2 π 6/2 =42.8

• Danny1210

  2020-06-07 22:34:09

  7a) let the radius be a π a^(2) x h= π 1^(2) x h x 4 a=4

• Danny1210

  2020-06-07 22:38:33

  7b)i) 2 x π x 1 x h+ π x 1^(2) x 2 =2 π h+2 π ii)2 x π x 4 x h + π x 4^(2) x 2=8 π h+32 π

• Danny1210

  2020-06-07 22:42:12

  sorry 7bi) need to time by 4 answer should be 8 π h+ π8

• Danny1210

  2020-06-07 22:46:54

  sorry a = 2

  •  Danny1210 2020-06-07 22:34:09
  • 7a) let the radius be a π a^(2) x h= π 1^(2) x h x 4 a=4

• Danny1210

  2020-06-07 22:58:03

  i am so sorry. you can follow my step that i write down

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