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(i) \(\angle \)DGC

(ii) \(\angle \)DEF

Answer :

Given

AB \(\parallel \) DE

BC \(\parallel \) EF

\(\angle \)ABC = 70°

\(\angle \)DGC = \(\angle \)ABC

(i) \(\angle \)DGC = 70° (Pair of corresponding angles)

\(\angle \)DEF = \(\angle \)DGC

(ii) \(\angle \)DEF = 70° (Pair of corresponding angles)

- Q.1 State the property that is used in each of the following statements? (i) If a \(\parallel \) b, then \(\angle \)1 = \(\angle \)5 (ii) If \(\angle \)4 = \(\angle \)6, then a \(\parallel \) b (iii) If \(\angle \)4 + \(\angle \)5 = 180°, then a \(\parallel \) b
- Q.2 In the given figure, identify (i) the pairs of corresponding angles. (ii) the pairs of alternate interior angles. (iii) the pairs of interior angles on the same side of the transversal.
- Q.3 the given figure, p \(\parallel \)q. Find the unknown angles.
- Q.4 Find the value of x in each of the following figures if l \(\parallel \)m
- Q.6 In the given figure below, decide whether l is parallel to m.

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