One angle of a triangle is obtuse. The sum of the measures of the other angles must be A.more than 90 degrees B.less than 90 deg
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<em>PQR with vertices P(–2, 9), Q(7, –3), and R(–2, –3)</em>
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<em>The distance (d) between two points is given by the following formula: </em>
<em>Answer= 15</em>
