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Quadrant angles are angles formed in the coordinate plane by the x-axis and y-axis. Each quadrant is a region bounded by the x-axis and y-axis, and is numbered Read more Math and Arithmetic +2 You are looking for real life examples of acute triangles ? Asked by Wiki User Well, honey, an acute triangle is any triangle where all three angles are less than 90 degrees. So, think of a slice of pizza or a traffic cone - those are acut Read more Earthquakes +2 How does a seismologist use trigonometry to measure seismic waves ? Asked by Wiki User Seismologists use trigonometry to (...)