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harkovskaia [24]
4 years ago
14

The measures of the angles of △RST are given by the expressions in the table.

Mathematics
2 answers:
Andreyy894 years ago
3 0
X=34
angle s=38
angle t= 111
DedPeter [7]4 years ago
3 0
Here, we know sum of all the angles in a triangle is equal to 180
31 + x+4 + 3x+9 = 180
4x + 44 = 180
4x = 180 - 44
x = 136 / 4
x = 34

Angle S = x+4 = 34+4 = 38
Angle T = 3x+9 = 3(34)+9 = 111

Hope this helps!
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2 years ago
Mike scored a 125 at a semi-final dividing competition season. He scored 95 at this final season. What is the percentage decreas
IrinaK [193]

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3 0
3 years ago
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prisoha [69]

Given:

In a right angle triangle ABC, \angle B=90^\circ,x=8.7\ m, and \theta = 45^\circ

To find:

The value of AC.

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\cos \theta =\dfrac{Adjacent}{Hypotenuse}

\cos \theta =\dfrac{BC}{AC}

\cos (45^\circ) =\dfrac{8.7}{AC}

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On cross multiplication, we get

AC=8.7\times \sqrt{2}

AC=12.30365799

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