Answer :

sneharhazarikaa

Answer:

135°

Step-by-step explanation:

Let complement of an angle is n of an original angle (90-n). So supplement of that angle will be 180-90+n=90+n. So 3(90-n)=90+n, or 270-90=3n+n=4n. or n=180÷4=45°. So complent of the angle 45°=90-45=45° & complement of the angle =180-45=135°.

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