Question

Answer first question first and answer second question
Explain clearly step by step
Then i make your answer as braniliest answer

Please answer fast​

Answer 1

Answer:

Let the angles of a triangle x:4x:5x

⇒x+4x+5x=180

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by angle sum property of a triangle.

⇒10x=180

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∴x=

10

180

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=18

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Hence x=18

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4x=4×18

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=72

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and 5x=5×18

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=90

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The angles are 18

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,72

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and 90

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