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umka2103 [35]
2 years ago
12

2) 3=r+17 pls solve for r

Mathematics
1 answer:
Elan Coil [88]2 years ago
6 0

Answer:

r = -14

Step-by-step explanation:

3 = r + 17

r + 17 = 3

r + 17 - 17 = 3 - 17

r = -14

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Given that two angles of an obtuse triangle is 45 and 18.  

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According to <em>angle sum property of triangle</em>, sum of three angles of triangle is 180^{\circ}

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