3 years ago

I need help in this qs :0

Mathematics

1 answer:

n200080 [17]3 years ago

7 0

Answer:3x+6=2x+21 base angle of isosceles triangle

3x-2x=21-6

X=15

<J=3×15+6=51

<k=2×15+21=51

,<I=180-51-51=78

Step-by-step explanation:

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