Answer:
26° 26° 128°
77° 77° 26°
Step-by-step explanation:
So we have two scenarios here.
One of them is if the base angles are 26°.
If that's true, the other angle is 128°
The other scenario is the opposite.
This means the base angles are 77°
There is no reminder as the answer will be an integer 131.
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Now
15
x/3 + 3 = 8
x/3 + 9/3 = 8
x + 9 = 24
x = 15