1.

In the given figure, line a || line b, line l is a transversal. Find the measures of ∠x, ∠y, ∠z using the given information.

Answer»

i. line a || line b and line l is a transversal. 

∴ m∠x = 105° …(i) [Corresponding angles]

ii. m∠y = m∠x … [Vertically opposite angles] 

∴ m∠y = 105° …[From (i)]

iii. m∠z + 105° = 180° …[Angles in a linear pair] 

∴ m∠z = 180°- 105°

∴ m∠z = 75° 

∴ m∠x = 105°, m∠y = 105°, m∠z = 75°



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