Radius - Line drawn from the centre to the circle, Chord - Line that touches any two points on the circle, Diameter - Line that passes through the centre and touches two points on the circle, Compass - Instrument that is used to draw a circle, 2 x r - Diameter =, Concentric circle - Circle that have same centre but different radius, Radii - Plural form of radius,

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟