Answer:
12
Explanation:
20 words do be annoying
Answer: attached 47 degrees
Step-by-step explanation:
There is three inner triangles the total angle is 540 or 180*3 see comment
Answer:
15(a)(b)(c)
Step-by-step explanation:
I don't know what your asking for
90°-77°=13°.
the answer is 13°
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Step-by-step explanation: