Question

find it and give me the correct answer ​

Answer 1

Here,

Angle FED = 45°

and,

Angle EDF = 90° .

Now,

In triangle DFE,

Angle DFE + Angle FED + Angle EDF = 180°

{ Angle sum property }.

So,

Angle DFE + 45° + 90° = 180°

Angle DFE + 135° = 180°

Angle DFE = 180° - 135°

Angle DFE = 45° .

Therefore , the angle DFE measures 45° .

___________

Answer 2

Answer:

Sum of all angles = 180⁰

Let angleDFE be x,

45⁰+90⁰+x = 180⁰

135 + x = 180

x = 180-135

x = 45⁰

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