/Tag: Geometry
25 11, 2016

Cyclic Quadrilaterals

By |2016-11-25T16:02:03+00:00November 25th, 2016|Tags: , , , |0 Comments

Cyclic Quadrilaterals opposite angles of a cyclic quadrilateral are equal   In the diagram, 0 is the centre of the circle and AB║AD and BC meet at P. Prove: a. CP = DP b. DABP is isosceles c. OAPC is a cyclic quadrilateral. a. ∠PCD = ∠ABC     (corresponding [...]

13 07, 2016

Area Problems

By |2016-11-03T12:02:43+00:00July 13th, 2016|Tags: , , |0 Comments

Area Problems worked examples  A circle is inscribed in a quadrant of a circle with radius 1cm. Find the radius of the smaller circle.    make a diagram, including all given information. the radius of the quadrant is 1, form a right triangle where the hypotenuse will be [...]

26 06, 2016

Similar Triangles

By |2016-10-21T13:17:02+00:00June 26th, 2016|Tags: , , |0 Comments

Similar Triangles Equiangular Two angles of a triangle are equal to two angles of another triangle. Three Sides Three sides of a triangle are proportional to three sides of another triangle 2 Sides & Included Angle Two sides of a triangle are proportional to [...]

19 06, 2016

Circle Geometry

By |2016-11-25T16:03:23+00:00June 19th, 2016|Tags: , , , |0 Comments

Circle Geometry Go to the Circle Geometry to see more questions or ask your own Topics Covered in Circle Geometry Parts Of A Cirlce Arcs, Angles & Chords Chord Properties Concyclic Points Cyclic Quadrilaterals Tangent Properties Formulas Used [...]

17 06, 2016

Circle Geometry

By |2016-10-24T07:25:42+00:00June 17th, 2016|Tags: , , |0 Comments

Circle Geometry Go to the Circle Geometry Forum to see more questions or ask your own Topics Covered in Circle Geometry Parts Of A Cirlce Arcs, Angles & Chords Chord Properties Concyclic Points Tangent Properties Formulas Used in Circle Geometry [...]

11 06, 2016

Congruent Triangles

By |2016-11-12T12:13:29+00:00June 11th, 2016|Tags: , , |0 Comments

Congruent Triangles SSS Side Side Side All three sides of one triangle are equal to three sides of the other triangle SAS Side Angle Side Sides about equal angle in one triangle equal to sides about same angle in second triangle AAS Angle Angle  Side Two angles [...]

8 06, 2016

Interior Angle of Polygon

By |2016-10-21T13:17:03+00:00June 8th, 2016|Tags: , , , , |0 Comments

Interior Angle of Polygon $$interior\;\angle =\frac{180(n-2)}{n}$$ worked examples Find size if the angle in a regular octagon. $$\angle =\frac{180(8-2)}{8}$$ $$\angle =\frac{1080}{8}$$ = 135° octagon has 6 sides substitute n = 8 into formula $$\angle =\frac{180(n-2)}{n}$$ further examples harder examples How many sides does [...]

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