414 prompts matching "Angle sum of a triangle"
Explain back: Rearranging the cosine rule to find an unknown angle
I have just studied rearranging the cosine rule to find an unknown angle in my SS3 Mathema
Spot My Mistake: Expansion of algebraic expressions
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Spot My Mistake: Modular arithmetic calendar and day-of-week problems
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Spot My Mistake: Volume of a cylinder
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Spot my mistake: The cosine of the latitude in the distance formula
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Spot my mistake: The amplitude and the period of a sine curve
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Spot My Mistake: Angle at the centre and angle at the circumference
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Spot my mistake: Leaving gaps between the bars of a histogram
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Word Problem: The curved surface and the flat face of a hemisphere
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Word problem: The arc length as a fraction of the circumference
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Word Problem: Equation of a line given two points
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Word Problem: Combined gradient and equation of a straight line problems
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Word problem: Reading a value off a sine or cosine graph
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Word problem: The volume of a described water tank made of two shapes
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Word problem: Finding what day it will be after a given number of days
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Worked example: The locus of points equidistant from two fixed points
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Worked example: The area of a sector as a fraction of the whole circle
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Worked example: Finding the constant of variation from one set of values
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Worked Example: Graphical solution of linear inequalities
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Worked example: Locating the quartiles in an ordered set of data
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