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primary 6 | Maths
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Ho Kuin
Ho Kuin

primary 6 chevron_right Maths chevron_right Singapore

Pls help for my son maths correction

Date Posted: 5 years ago
Views: 284
J
J
5 years ago
Your son found ∠BED, not ∠BEF.

And ∠BED = 104°, not 114°.

(180° - 76° = 104°. He made a calculation error.)


So ∠ BEF = 180° - 104 °
= 76°

So ∠BDC + ∠BEF = 76° + 38
= 114°

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Chin Shih Chang
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Ho Kuin
Ho Kuin
5 years ago
Thanks