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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tek Image |
Taille de l’image : | 4080 px × 5440 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |