acute angle - Is an angle measure less than 90 degrees, right angle - Is an angle measure equal to 90 degrees, obtuse angle - Is an angle measure more than 90 degrees,

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?