What angle in radians is subtended by an arc 1.50 m long on the circumference of a circle of radius 2.50 m? what is this angle i
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The measures of the angles don't change when you translate a figure, because the entire figure is moving as a whole. Imagine having a paper parallelogram, moving it around and flipping it over. Not even dilations would change these angles (for reasons that can be pretty easily visualed but not really proven until geometry)
