set up x- and y axises.

set linear equations and solve the simulatenous equations.

Draws a triangle based on 3 side lengths.

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Finding lengths of sides of triangles

Draws a triangle based on 2 angles and a side length.

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Finding lengths of sides of triangles

Draws a right angled triangle based on a length and an angle.

Draws a right angled triangle based on a length and an angle.

This exercise will help you solve questions based on subduction zones using  the Cosine rule.

Use Sine rule and Cosine rule to solve a Geometry problem in geology.

Finding the lengths and angles within a right-angled triangle using: pythagoras theorem, SOHCAHTOA and principle of angles adding up to 180 degrees.

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Finding lengths of sides of triangles

Applying trigonometry to find heughts and lengths.

Pythagoras Theorem, Trigonometric Ratios, radian and degrees, degrees to radians, Sine rule 

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Applying trigonometry to find heughts and lengths.

Applying trigonometry to find heughts and lengths.

Finding lengths of sides of triangles

Convert degrees to radians and radians to degrees.

Finding the lengths and angles within a right-angled triangle using: pythagoras theorem, SOHCAHTOA and principle of angles adding up to 180 degrees.

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Applying trigonometry to find heughts and lengths.

Convert degrees to radians and radians to degrees.

Finding Cosine and Tangent values for an angle if Sine value is given. 

Applying trigonometry to find heughts and lengths.

Convert degrees to radians and radians to degrees.

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