Maths Revision 2.0 / 5 based on 1 rating ? MathematicsAlgebraGCSEEdexcel Created by: Chloe SparshottCreated on: 17-04-13 14:40 What is BODMAS and what is it used for? BODMAS is brackets - order - divide - multiply - addition - subtraction. It is used for bracket sums. ALWAYS DO THE BRACKETS FIRST 1 of 12 What are FACTORS? These are the numbers that go into the value. 2 of 12 What is a SQUARE ROOT? Square roots are the reverse of the above. 3 of 12 What is a SQUARE NUMBER? A square number is the answers you get when you times a number by itself. 4 of 12 What is a PRIME NUMBER? A prime number is a number with only 2 factors, 1 and itself. 5 of 12 What does an ACUTE ANGLE mean? Any angle between 0-90 degrees 6 of 12 What does a RIGHT ANGLE mean? Any angle that is 90 degrees. 7 of 12 What does an OBTUSE ANGLE mean? Any angle between 90 - 180 degrees. 8 of 12 What does a REFLEX ANGLE mean? Any angle between 180 - 360 degrees. 9 of 12 What is the perimeter of a semi circle A permiter of a semi circle is half the circumfrance of the circle plus the diameter. 10 of 12 What is the area of a semi circle area of a semi circle is half the area of the circle 11 of 12 The area of a triangle? Is the base x height divided by 2 12 of 12
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