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#### Resources tagged with Sine rule similar to 8 Methods for Three by One:

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##### Other tags that relate to 8 Methods for Three by One
Sine. Tangent. Argand diagram. Maths Supporting SET. Complex numbers. Sine rule. Quadratic equations. Scalar products. Matrices. Vectors.

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Broad Topics > Trigonometry > Sine rule

### 8 Methods for Three by One

##### Stage: 4 and 5 Challenge Level:

This problem in geometry has been solved in no less than EIGHT ways by a pair of students. How would you solve it? How many of their solutions can you follow? How are they the same or different?. . . .

### Get Cross

##### Stage: 4 Challenge Level:

A white cross is placed symmetrically in a red disc with the central square of side length sqrt 2 and the arms of the cross of length 1 unit. What is the area of the disc still showing?

### Raising the Roof

##### Stage: 4 Challenge Level:

How far should the roof overhang to shade windows from the mid-day sun?

### Cosines Rule

##### Stage: 4 Challenge Level:

Three points A, B and C lie in this order on a line, and P is any point in the plane. Use the Cosine Rule to prove the following statement.

### Bendy Quad

##### Stage: 4 Challenge Level:

Four rods are hinged at their ends to form a convex quadrilateral. Investigate the different shapes that the quadrilateral can take. Be patient this problem may be slow to load.