Question

guys can you'll plz tell the solution.... step by step... it very important... plzz guys​

Answer 1

Answer:

Angle AEC= 115°

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Step-by-step explanation:

After drawing a line EF parallel to AB parallel to CD

120° + angle AEF = 180° (alternate interior angles)

angle AEF= 60°

125° + angle CEF= 180°. (alternate interior angles)

angle CEF = 55°

angle AEC = AEF+ CEF = 60°+55°= 115°

Answer 2

Answer:

$\sf{{ \underline{construction} : }} \\ \sf{draw \: EF \parallel \: AB \parallel \: CD}$

refer to the attachment for the explaination

Important points!!

✨ Corresponding angles are equal

✨alternate angles are equal

✨ opposite angles are equal

✨The sum of linear pair is 180°

✨The sum of adjacent angles is also 180°

✨ The sum of interior angles in a triangle is 180°