Question

please please please answer the question number 1....

best answer will be mark as brainlest....

Answer 1

it's measure is 45 by the help of corresponding

Answer 2

HEY MATE____==--___-_______---

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∠ ACD = 75° + 45°
∠ ACD = 120°

another method:

∠A +∠B + ∠ACB = 180°   ( sum of angles of triangle is 180° )
∠ACB = 180 - 120
∠ACB = 60°

∠ACB + ∠ ACD = 180   ( straight angle )
60 + ∠ ACD = 180
∠ ACD  = 180 - 60
∠ ACD  = 120°

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HOPE IT HELPS U