Since A is (-7,-4) and C is (7,3) for the x value from a to c is 14 for the y value from a to c is 7
Do 14 x 2/7 which is 4
Do 7 x 2/7 which is 2
then add (-7+4,-4+2) which is (-3,-2)
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X=5
Measure of angle BCA= 55
Measure of angle B= 76
Answer:
2
Step-by-step explanation:
I hope this helps!