find the measures of angle ACD
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Step-by-step explanation:
Here, AB =BD=DC
In ∆ ABD
Angle ABD = 50°, Angle BAD = 50°
Therefore, angle ADB = 180° - (angle ADB+BAD)
Therefore, Angle ADB+ ABD+ BAD = 180°
(Sum property of ∆)
Therefore, angle ABD = 180° - (50°+50°)
= 180- 100
= 80°
= Angle ADC = 180°- angle ADB
= 180-80
= 100°
In ∆ ADC
Angle CAD = angle ACD ( Here DC = AD)
= Angle ADC+ACD+angle CAD =180°
= 180° - angle ADC = 2Angle ACD
= 180° - 100° = 2 angle ACD
= 80° = 2* angle ACD
= Angle ACD = 80/2 = 40° Answer
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Step-by-step explanation:
Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object's speed, or direction of motion. An aspect of this property is the tendency of objects to keep moving in a straight line at a constant speed, when no forces act upon them.
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