Fill in the blank.

(A) A protractor has __________ line/lines of symmetry

(B) A 30o - 60o - 90o set-square has ________ line/lines of symmetry

(C) A 45o - 45o - 90o set-square has _______ line/lines of symmetry.

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1 Answers

(A) A protractor has one line/lines of symmetry

(B) A 30o - 60o - 90o set-square has no line/lines of symmetry

(C) A 45o - 45o - 90o set-square has one line/lines of symmetry.

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