The angle at the centre of a circle is twice the angle at the circumference, when both are subtended by the same arc.  Given: A circle with centre at O, arc BC of this circle subtends angles ∠BOC at centre O and ∠BAC at a point A remaining part of the circle.   To Proof: ∠BOC […]

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Prove that the angle in a semicircle is a right angle                           or Angle subtended by a diameter/Semicircle on any circle on any point of circle is 90º. Given: A circle O with centre O. BC is the diameter of circle subtending ∠BAC at […]

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Worksheet Double Digit Divisor                 Fill in the blanks.  1. 40 ÷ 13  = _____,  R  ____ 2. 41 ÷ 13  = _____, R  ____ 3. 42 ÷ 13  = _____, R  ____   4. 43 ÷ 13  = _____,  R  ____   5. 44 ÷ 13  = _____,  R  ____   […]

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