7th Class Mathematics Lines and Angles

  • question_answer 1)
    Find the complement of each of the following angles: (i)              (ii)                           (iii)

    Answer:

                    (i) Complement of the angle                 \[\text{2}{{0}^{o}}=\text{9}{{0}^{o}}-\text{ 2}{{0}^{o}}=\text{7}{{0}^{o}}\] (ii) Complement of the angle \[\text{6}{{\text{3}}^{o}}=\text{9}{{0}^{o}}-\text{6}{{\text{3}}^{o}}=\text{2}{{\text{7}}^{o}}\] (iii) Complement of the angle \[\text{5}{{\text{7}}^{o}}=\text{ 9}{{0}^{o}}-\text{ 5}{{\text{7}}^{o}}=\text{ 3}{{\text{3}}^{o}}\]


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