Find the following ot is urgent
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x = 60°
y = 30°
BC = 15cm
Answered by
1
Answer:
angle x = 180° - 120° = 60° ( adjacent angles )
Angle B = 90° ( Right angle )
Angle y :
Angle X + Angle B + Angle Y = 180° ( sum of angles of triangle )
60° + 90° + Angle Y = 180°
150° + Angle Y = 180°
Angle Y = 180° - 150° = 30°
Angle X = 60°
Angle Y = 30°
AB = 20cm AC = 25cm
BC² = AC² - AB²
BC² = 625 - 400
BC² = 225
BC = √15 × 15
BC = 15cm
* There is no Angle sign to be put...so I have written the word Angle
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