2 years ago

HELP ME PLEASE AND THANKS SO MUCH

Mathematics

2 answers:

Zinaida [17]2 years ago

4 0

Answer:

180-(65+57)=58

Step-by-step explanation:

loris [4]2 years ago

4 0

Answer:

Step-by-step explanation:

There's only 1 angle to find.

45 + 57 + ? = 180 All triangles have interior angles that add to 180.

102 + ? = 180 Combined 45 and 57 Subtract 102 from both sides

? = 180 - 102 Combine

? = 78

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