Basic angle facts 💙

• angle on a point - 360.
• angles on straight line - 180•
• angles of triangle - 180•
• angle on right angle - 90•
• angles of quadrilateral- 360•
• opposite angles - same
• acute angles - less than 90•
• obtuse angles - bigger that 90• , smaller than 180•
• reflex angle - bigger than 180•