Ong Jing Long's answer to LockB's Secondary 4 A Maths Singapore question.
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angle EDB = 90 degree since BE is the diameter (by property angle is a semicircle is 90 degree)
F is not the center since AD is the not the diameter, hence intersection between AD and BE at F is not the center (same property as above since angle ABD is not 90 degree, AD is not diameter)
F is not the center since AD is the not the diameter, hence intersection between AD and BE at F is not the center (same property as above since angle ABD is not 90 degree, AD is not diameter)
Date Posted:
3 years ago
thx :)
for a why is it not 180-43-43=94 tho using angles in a triangle
thats assuming that angle BED is 43. But thats not the case
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