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irina1246 [14]
3 years ago
7

What is the value of r?​

Mathematics
1 answer:
makkiz [27]3 years ago
3 0

Answer:

58°

Step-by-step explanation:

r+32.7°+89.3°=180° [ sum of angle on st. line is 180° ]

or, r= 180°-32.7°-89.3°

hence, r=58°

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