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Diberikan limas T.ABC. Misalkan begin mathsize 14px style straight u equals top enclose TA comma space straight v equals top enclose TB comma space straight w equals top enclose TC end style . Jika P adalah titik berat begin mathsize 14px style increment end styleABC, maka begin mathsize 14px style top enclose TP end style = ....

  1. begin inline style 1 third end style (u + v + w)

  2. begin inline style 1 half end style (u + v + w)

  3. begin inline style 2 over 3 end style (u + v + w)

  4. begin inline style 3 over 4 end style (u + v + w)

  5. u + v + w

A. Acfreelance

Master Teacher

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Pembahasan

begin mathsize 14px style dengan space top enclose TA space equals straight u comma space top enclose TB space equals straight v comma space top enclose TC space equals straight W  sehingga colon  stack top enclose AB with blank on top equals stack top enclose AT with blank on top plus stack top enclose TB with blank on top equals negative straight u plus straight v  stack top enclose BC with blank on top equals stack top enclose BT with blank on top plus stack top enclose TC with blank on top equals negative straight v plus straight w    stack top enclose TP with blank on top equals stack top enclose TA with blank on top plus stack top enclose AP with blank on top  stack top enclose TP with blank on top equals stack top enclose TA with blank on top plus 2 over 3 AO with blank on top  stack top enclose TP with blank on top equals stack top enclose TA with blank on top plus 2 over 3 open parentheses stack top enclose AB with blank on top plus stack top enclose BO with blank on top close parentheses  stack top enclose TP with blank on top equals stack top enclose TA with blank on top plus 2 over 3 open parentheses stack top enclose AB with blank on top plus 1 half stack top enclose BC with blank on top close parentheses  stack top enclose TP with blank on top equals straight u plus 2 over 3 open parentheses negative straight u plus straight v plus 1 half left parenthesis negative straight v plus straight w right parenthesis close parentheses  stack top enclose TP with blank on top equals straight u plus 2 over 3 open parentheses negative straight u plus 1 half straight v plus 1 half straight w close parentheses  stack top enclose TP with blank on top equals straight u minus 2 over 3 straight u plus 1 third straight v plus 1 third straight w  stack top enclose TP with blank on top equals 1 third straight u plus 1 third straight v plus 1 third straight w  stack top enclose TP with blank on top equals 1 third left parenthesis straight u plus straight v plus straight w right parenthesis end style

132

5.0 (1 rating)

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Diketahui kubus ABCD.EFGH dengan panjang rusuk =6. Jarak titik G ke bidang BDE sama dengan ...

136

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