Question 39

Fill in the blanks to make the statements true.

A $30^{0} - 60^{0} - 90^{0}$ set square has ___ line/lines of symmetry.

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Solution

Since a $30^{0} - 60^{0} - 90^{0}$ set square has a shape of a scalene triangle and a scalene triangle have no line of symmetry because all its sides and angles are of different measures.

Hence, a $30^{0} - 60^{0} - 90^{0}$ set square has zero line/lines of symmetry.

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Lines of Symmetry

Standard VI Mathematics

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Question 39 Fill in the blanks to make the statements true. A 300−600−900 set square has ___ line/lines of symmetry.

Since a 300−600−900 set square has a shape of a scalene triangle and a scalene triangle have no line of symmetry because all its sides and angles are of different measures. Hence, a 300−600−900 set square has zero line/lines of symmetry.

Question 39

Fill in the blanks to make the statements true.

A $30^{0} - 60^{0} - 90^{0}$ set square has ___ line/lines of symmetry.

Since a $30^{0} - 60^{0} - 90^{0}$ set square has a shape of a scalene triangle and a scalene triangle have no line of symmetry because all its sides and angles are of different measures.

Hence, a $30^{0} - 60^{0} - 90^{0}$ set square has zero line/lines of symmetry.