Yes, sometimes. Two acute turns make an acute turn only if their sum is still less than a right angle; for example, 30° + 40° = 70° (acute). Otherwise, they may total a right or obtuse angle. class 5 Maths-Mela Mathematics ...
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A door moves around a hinge. The hinge is its fixed point, allowing it to swing open and close. Other examples of hinge-based movement are windows, cupboard doors and gates. Thus, the correct answer is (a) Door. class 5 Maths-Mela Mathematics ...
A right angle is drawn by making two lines meet at a point, one horizontal and the other vertical. This creates a 90° corner, like the letter “L” or the corner of a square. Class 5 Mathematics Maths-Mela Chapter 3 Angles ...