# geometry triangle altitudes squares center midpoint school maths

Concurrently with her main band, Jem also played every other weekend with 'JEM and the BRA… https://t.co/MwyR6daGVA

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2015-11-11

Thomas Cole's Voyage of Life, 2nd of 3 concurrent exhibitions of river depictions in 19thC American art, opens Friday

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2015-02-03

Serieuze concurrentie. Trots op zusje en nog maar 13 jaar oud!

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2012-10-22