Ρύθμιση τετράγωνο με μοιρογνωμόνιο. Μικρό κορίτσι που χρησιμοποιεί τρίγωνο για να μετρήσει γωνίες σε μοίρες σε κίτρινο φόντο. Μικρό παιδικό μοιρογνωμόνιο για μάθημα γεωμετρίας. Μαθαίνοντας να χρησιμοποιούν μοιρογνωμόνιο. - Φωτογραφίες & Εικόνες Αρχείου

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Look at the triangle with two equal sides. Happy little schoolgirl holding triangle on yellow background. Cute small kid smiling with geometric triangle for geometry lesson. Having lesson in triangle.

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