Triangle and its properties - Grade 7 (Question: 1604661732)
The sum of two angles of a triangle is equal to 2.5 times the third angle. What is the third angle?
A. \(51.43^0\)
B. \(43.51^0\)
C. \(128.575^0\)
D. \(157.28^0\)

The sum of two angles of a triangle is equal to 2.5 times the third angle. What is the third angle?
A. \(51.43^0\)
B. \(43.51^0\)
C. \(128.575^0\)
D. \(157.28^0\)
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