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∠1 = 77; ∠3 = 41; ∠5 = 41; ∠6 = 92; ∠9 = 103; ∠12 = 47; ∠14 = 103; ∠17 = 41

because of 2 parallel lines

=> ∠1 = ∠10 = 77°

∠7 = ∠12 = 47°

∠16 = ∠7 + ∠6 = 139° ⇒ ∠6 = 139° - ∠7 = 92°

have: ∠7 + ∠6 + ∠5 = 180° ⇒ ∠5 = 180° - (∠7 + ∠6) = 180° - 139° = 41°

∠10 + ∠14 = 180° ⇔ ∠14 = 180° - ∠10 = 103°

∠14 = ∠9 = 103°

∠3 = ∠5 = ∠17 = 41°

Step-by-step explanation:

answer: a

step-by-step explanation:

if xy ~ yz therefore xy would be the same length as yz