School equipment. Protractor (left),a pair of compasses and pencil (centre),a round bottomed flask (upper right) a pen and pencil (lower right) and an electronic calculator (lower centre). A protractor is used to measure angles,it has a ruler at its base,with graduated markings to measure distances. A pair of compasses is used to draw circles. Electronic calculators are used to carry out complex calculations quickly | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Tek Image |
Bildgröße: | 4080 px × 5440 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |