Step-by-step explanation:
hope this will help you..
Answer:
76 degrees
180-38-38 is 104
180-104 is 76 since it's a straight line which equals to 180 degrees
form 1 question????????
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i just calculated it.
AB=2r
BC=7
AC=AB+BC
-5=2r+7
-12=2r
-6=r
AB=-12