Math, asked by aryanahmed683, 13 hours ago

Only b part explain it please and solve it

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Answered by devdasmallika

1

Answer:

a) 78°+62°+a°+110°=360°

So,78°+62°+110°+a°=250°

Step-by-step explanation:

i.e.a°+250°=360°

So,a°=360°-250°

So,a°=110°

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