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secondary 4 | A Maths
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Milky06
Milky06

secondary 4 chevron_right A Maths

How to solve 20(c) ?

Date Posted: 6 years ago
Views: 328

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Chong Ten San
Chong Ten San's answer
563 answers (Tutor Details)
1st
Good luck
Milky06
Milky06
6 years ago
Thank you very much!
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Ann
Ann's answer
79 answers (Tutor Details)
The key is DM=CN=1/2 *8=4
so AN=4[3], BM=[6^2-4^2]=[20]=2[5]
CD=MN=8+6-4[3]-2[5]=14-4[3]-2[5]
where[] is quare root.