Typical “house” drawings show right angles at walls/windows, acute angles at sharp roof corners, and obtuse angles where roof slopes meet walls. Identify each marked point by comparing to a right angle. class 5 Maths-Mela Mathematics Textbook Chapter 3 Angles as ...
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A right angle equals 90°. It is formed by a quarter turn, like the corner of a square or the hands of a clock when they show 3 o’clock. So, the correct answer is (b) 90°. class 5 Maths-Mela Mathematics Textbook ...
A straight angle is made by drawing a straight line with a point in the middle. The angle on both sides of the point is 180°, forming a flat straight angle. Class 5 NCERT Maths-Mela Chapter 3 Angles as Turns solution class ...