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damaskus [11]
3 years ago
13

1.Solve the following sums:

Mathematics
1 answer:
liberstina [14]3 years ago
3 0

Step-by-step explanation:

i) the fourth angle is x=360-(25+136+17)

x=182

ii) 4x+2x+x+5x=360

12x=360

x=30

iii) an expression for the fourth angle can be 5a

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