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secondary 3 | E Maths
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Syah
Syah

secondary 3 chevron_right E Maths

hey just want to ask ,, for this question how do we find the unknown? Isit by using a protactor?

Date Posted: 6 years ago
Views: 277

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Mihir Niyogi
Mihir Niyogi's answer
15 answers (Tutor Details)
1st
No protractors needed. Just use this E-Math Circle Properties Rule: [[Angles at Center are twice the Angles at Circumference]]
Syah
Syah
6 years ago
Its 40 times 2 or divide? Just checked the answer n it 80
Syah
Syah
6 years ago
isit by times 2 instead of divide? Just checked out the answer n should be 80