Math, asked by malhirajbir1988, 4 months ago

plz solve it..................

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Answers

Answered by choudharytammna9

1

Answer:

hope it helps you

thankyou

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Answered by nkarnwal31

1

Answer:

60

Step-by-step explanation:

LA+LB+LC=180 (angle sum property)

(X+42)+(4X-12)+(3X+6)=180

X+42+4X-12+3X+6=180

X+4X+3X+42-12+6=180

8X+48-12=180

8X+36=180

8X=180-36

8X=144

X=144/8

X=18

LA=X+42=18+42=60

LB=4X-12=4×18-12=72-12=60

LC=3X+6=3×18+6=54+6=60

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