Using only a ruler and compass construct ∠ABC = 120°, where AB = … - Vidyadip

Question

Using only a ruler and compass construct ∠ABC = 120°, where AB = BC = 5 cm.
(i) Mark two points D and E which satisfy the condition that they are equidistant from both ABA and BC.
(ii) In the above figure, join AD, DC, AE and EC. Describe the figures:
(a) AECB, (b) ABD, (c) ABE.

✓

Answer

(i) and (ii)

(a) A quadrilateral
(b) A triangle
(c) A triangle.

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