protractor, used for measuring angles, obtuse angle, between 90 and 180 degrees, right angle, exactly 90 degrees, acute angle, less than 90 degrees, reflex angle, more than 180 degrees, angles at a point, add to 360 degrees, angles in a triangle, add to 180 degrees, angles, are measured in degrees, angles in a quadrilateral, add up to 360 degrees.

Papan mata

Gaya visual

Pilihan

Tukar templat

Pulihkan autosimpan: ?