Q. Let us assume a triangle ABC which has only one acute angle (say ZA) Then we have
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Let us assume a triangle ABC which has only one acute angle (say ZA) Then we have ZA=60°An acute triangle (or acute-angled triangle) is a triangle with three acute angles (less than 90°). An obtuse triangle (or obtuse-angled triangle) is a triangle with one obtuse angle (greater than 90°) and two acute angles.
Geometry classifies angles according to the size of the angle. An angle is formed when two-line segments/rays (arms) intersect at a common point (vertex). An angle is an amount of turn between each arm. ‘∠’ symbol is used to denote an angle. It is measured using a protractor, and the units are denoted in degrees. Angles measuring more than zero and less than ninety degrees are classified as acute angles. The following diagram illustrates the parts of an angle given above
