Respuesta :
m∠ rst + m∠ vst = 180°
3 x + 7° + 9 x + 17° = 180°
12 x + 24° = 180°
12 x= 180° - 24°
12 x = 156°
x = 156° : 12
x = 13°
m ∠ rst = 3 · 13° + 7° = 39° + 7° = 46°
m ∠ vst = 180° - 46° = 134°
Answer:
A ) 46° and 134°
3 x + 7° + 9 x + 17° = 180°
12 x + 24° = 180°
12 x= 180° - 24°
12 x = 156°
x = 156° : 12
x = 13°
m ∠ rst = 3 · 13° + 7° = 39° + 7° = 46°
m ∠ vst = 180° - 46° = 134°
Answer:
A ) 46° and 134°
The required measure of the m∠rst and m∠vst is 46 and 134 respectively. Option A is correct.
∠rst and ∠vst are a linear pair, m∠rst = 3x + 7, and m∠vst = 9x + 17. measures of m∠rst and m∠vst to be determined.
What is the angle?
The angle can be defined as the one line inclined over another line.
Since, angles are linear pairs,
The sum of angles = 180
m∠rst + m∠vst = 180
3x + 7 +9x + 17 = 180
12x + 24 = 180
12x = 180 -24
12x = 156
x = 156/12
x = 13
Now, angles m∠rst and m∠vst,
m∠rst = 3x +7 = 3*13+7
m∠rst = 46
m∠vst = 9x +17 = 9*13 + 17
m∠vst = 134
Thus, the required measure of the m∠rst and m∠vst is 46 and 134 respectively. Option A is correct.
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