I did this math but I did not understand the last part I need explanation part by part properly please someone help me I have an online test tomorrow
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Step-by-step explanation:
(i) 20° + 90° + D = 180 (angle sum of triangle)
D = 180°- 110°
= 70°
BDC = 70/2
= 35°
(ii) CBD => 20° + 35° + B = 180°(AS of triangle)
=> B = 180° - 55°
=> B = 125°
ANSWER: i) 35° , ii) 125°
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