Question

Prove that angle 3 is equal to angle 4 in this figure.
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Answer 1

Step-by-step explanation:

In triangle ABC and DEF

AB=FE. (GIVEN)

ANGLE 1 =ANGLE 2. (ALTERNATE INTERIOR ANGLE)

BC= DF

BY CPCT

ANGLE 3=ANGLE 4

Answer 2

Angle between BF=180⁰

So, Angle ACB i.e angle 3 = Angle EDF i.e angle4

(since, Corresponding angles are equal)

angle3= angle4

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