Fill in the blanks with acute, obtuse, right or straight: (1) An angle whose measure is less than that of a right angle is ___ (2) An angle whose measure is greater than that of a right angle is ___ (3) An angle whose measure is the sum of the measures of two right angles is ___ (4) When the sum of the measures of two angles is that of a right angle, then each one of them is ___ (5) When the sum of the measures of two angles is that of a straight angle and if one of them is acute then the other should be ___
Fill in the blanks with acute, obtuse, right or straight: (1) An angle whose measure is less than that of a right angle is ___ (2) An angle whose measure is greater than that of a right angle is ___ (3) An angle whose measure is the sum of the measures of two right angles is ___ (4) When the sum of the measures of two angles is that of a right angle, then each one of them is ___ (5) When the sum of the measures of two angles is that of a straight angle and if one of them is acute then the other should be ___
Answer
acute angle obtuse angle (but less than \(180°\)) straight angle acute angle obtuse angle
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Solution
(1) An angle whose measure is less than that of a right angle is acute angle. (2) An angle whose measure is greater than that of a right angle is obtuse angle (but less than \(180°\)). (3) An angle whose measure is the sum of the measures of two right angles is straight angle. (4) When the sum of the measures of two angles is that of a right angle, then each one of them is acute angle. (5) When the sum of the measures of two angles is that of a straight angle and if one of them is acute then the other should be obtuse angle.
A piece of strings is \(30\) cm long. What will be the length of each side if the string is used to form: (1) A square? (2) an equilateral triangle? (3) A regular hexagon?
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Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively. \((p,q);(10m,5n);(20{x}^{2},5{y}^{2});(4x,3{x}^{2});(3mn,4np)\)