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Author Question: Refer to the equilateral triangle shown below and its six symmetries: r1 : reflection with axis l1 ... (Read 969 times)

Mr. Wonderful

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on: May 5, 2020
Refer to the equilateral triangle shown below and its six symmetries:
∙ r1 : reflection with axis l1
∙ r2 : reflection with axis l2
∙ r3 : reflection with axis l3
∙ R1 : 120° clockwise rotation with rotocenter O
∙ R2 : 240° clockwise rotation with rotocenter O
∙ I : the identity symmetry




Which symmetry results when applying the symmetry r1 followed by R2 ?
◦ R1
◦ r1
◦ r2
◦ r3
◦ R2
Excursions in Modern Mathematics ¦ Tannenbaum ¦ 9th Edition
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Marked as best answer by Mr. Wonderful on May 5, 2020

meltdown117

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Reply #1 on: May 5, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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