Answer:
Explanation:
inside the triangle
a + 53 + 45 = 180
a + 98 = 180
a = 82
x + 82 = 180
x = 98
Answer: 98
Step-by-step explanation: 53+45 = 98 subtract that from 180 you get 82 which is the other corner. the other side of the line adds up to 180 with the 82
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