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Maths Maps If you're new here, you may want to subscribe to my weekly newsletter. Thanks for visiting! I am excited to introduce you to my new project idea that I hope will result in some engaging content for our classes. WolframAlpha Videos - Art of Problem Solving About Careers Contact Log In / Join School Store Community Resources How Classes Work Course Catalog Class Schedule Recommendations WOOT Courses Math Jams Mathematics resources - www.mathcentre.ac.uk or How to know which formula you should use. The goal of this page is to help students better understand when to use the law of sines and when to use the Law of Cosines Practice Problems Problem 1 Look at each triangle below and, based on the given information, decide whether you could use the Law of Sines, the Law of Cosines (or neither) Triangle 1 and 2 are clear candidates for the law of sines Triangle 1 (Top left) - Law of Sines

30-60-90 triangle definition A triangle where the angles are 30°, 60°, and 90°. Try this In the figure below, drag the orange dots on each vertex to reshape the triangle. Note how the angles remain the same, and it maintains the same proportions between its sides. This is one of the 'standard' right triangles you should be able recognize on sight. (Another is the 45-45-90 triangle). Area of a parallelogram given sides and angle Calculator - High accuracy calculation [1] 2015/10/10 11:45 Female / 30 years old level / A teacher / A researcher / Very / Purpose of use To Know area of parallelogram given sides and angle Comment/Request It is very easy and quick.

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