area of circle - pi x radius squared, circumference of a circle - pi x diameter, radius - half the diameter, diameter - cuts the circle in half, sector - looks like a piece of pie, arc - part of the circumference, chord - the line cutting off a segment,

अज्ञात द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?