If angles of a triangle are (x-10),(2x-10)and 6x, the value of x is
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Answer:
9x-20
Step-by-step explanation:
▪︎x-10+2x-10+6x
▪︎x+2x+6x =9x
▪︎10-10 =-20
▪︎9x-10-10
= 9x-20
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