Verified Answer :

lindseyhajdukovich

I believe it's A......

Answer:

The correct option is (A) 90°

Step-by-step explanation:

The angles can be trisected which  constructive angle θ, an angle of measure 3θ can be trivially trisected.

So, the angle in option (A) is written as 3θ.

3θ=3(30°)

but rest options can't write as 3θ.

Hence, the correct option is (A) 90°

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