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Please help!!!! !!!!!!!!

Please help!!!! !!!!!!!!-example-1
User Dangalg
by
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1 Answer

2 votes

Explanation:

Sum of all interior angles = 900°

A+B+C+D+E+F+G=900

120+B+148+90+142+130+129=900

B=900-759

B=141°

User Victor Timoftii
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