The diagram shows triangle ABC with vertices labelled A (left), B (top) and C (right). Segments AB, BC and AC are drawn. The angle at B, ∠ABC\angle ABC, is marked (the interior angle between BA and BC). Measure and write down:

  1. (a)

    the length of AC.

    Ans: (a) ___ cm

  2. (b)

    the size of ∠ABC\angle ABC.

    Ans: (b) ___ ∘^\circ

Measuring lengthMeasuring and drawing angles中文
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