Question

PLEASE HELP ME WITH THIS QUESTION

Answer 1

Answer:

90°

Step-by-step explanation:

CDF is a straight line so by linear pair,

90° + ∠ADF + 60° = 180° (90 as ABCD is square and 60 as DEF is equilateral triangle)

∠ADF= 30°

∠ADF = ∠AED = 30°          (isosceles triangle ADE)

so ∠AEF = ∠DEF + ∠AED

∠AEF = 60° + 30°            (∠DEF = 60° as it's equilateral triangle)

∠AEF = 90°

hence solved

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