This math skill teaches how to estimate the measurement of an angle in degrees by comparing it to known angles such as 45 and 90 degrees, and determining if the angle in question is more or less than these reference angles.
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Estimating angle in degrees
Test your understanding of estimating angles in degrees by practicing it! Work through the below exercises to use it in practice.
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Approximately what is the measurement of this angle in degrees?
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90 degrees is a perfect corner, and this angle is a bit less than that. 45 degrees is half of that right angle, and this angle is a bit more than that.
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So this is a bit more than 45 and less than 90. 60 degrees is a good estimate for this angle.