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secondary 3 | A Maths
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Chrl
Chrl

secondary 3 chevron_right A Maths

B & C ???

Date Posted: 6 years ago
Views: 266
Chew Shao Wei
Chew Shao Wei
6 years ago
Parallel lines form the same angle qhen a straight line cuts through them.

For part b) when you extend line BT past the line AC, you form an angle of 180-75=105 degrees.
However when you extend line BS past the line AC, you form an angle of 180-90=90 degrees. (Angle CBS is 75+15=90degrees)

Try using this rule and methodology to solve part c)! Dont be afraid to ask for help if you are unable to do so though
Chrl
Chrl
6 years ago
I don't understand it very well.
Chew Shao Wei
Chew Shao Wei
6 years ago
I’ll try and draw it out once I reach home

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Chew Shao Wei
Chew Shao Wei's answer
26 answers (Tutor Details)
1st
Ignore what I said earlier, refer to this instead. Use the same property of parellel lines to solve part c). Please do try before asking for further help! It will help you learn way faster :-)