3 years ago

Pls give me the answer! Thanks!

Mathematics

2 answers:

Mademuasel [1]3 years ago

6 0

Answer:

Step-by-step explanation:

7 x 6 = 42 + 9 = 51 + 54 = 105 + 75= 180

iogann1982 [59]3 years ago

3 0

Answer:

Step-by-step explanation:

Tge sum of interior angles in a triangle is equal to 180°

7x + 9 + 54° + 75° = 180° add like terms

7x + 138° = 180° subtract 138 from both sides

7x = 42 divide by 7

x = 6

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