Find two unknown angles for the given angle ratio — task. Mathematics State Board, Class 9.

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Calculate the angles

$∠R$ and

$∠T$ of the triangle

$RST$ if the angles

$R$ and

$T$ are in the ratio

$2:1$ and

$∠S=$ 30

$°$ .

[Hint: Consider the measures

$R$ and

$T$ as

$2x$ and

$x$ ]

The measures of angle

$R$ is

$°$ .

The measures of angle

$T$ is

$°$ .

$1$

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