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secondary 3 | E Maths
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The whole of 7 im stuck i could do a part 1 but not the rest
Date Posted: 4 years ago
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- For Q7b, do not be fooled by the way the pictures were drawn. At first glance it looks like they may not be congruent (since triangle AGH looks slanted), but remember for congruency of triangles, always follow SAS or SSS rule
- For Q7c, always remember:
Ratio of volume is in cubic power
Ratio of area is in squared power
Ratio of length (or radius) is in linear power
So the volume of A is 27 times more than B, but radius of A will be the cube root of 27 times longer than radius of B
- Sorry for the bad handwriting, hope this helps you
- For Q7c, always remember:
Ratio of volume is in cubic power
Ratio of area is in squared power
Ratio of length (or radius) is in linear power
So the volume of A is 27 times more than B, but radius of A will be the cube root of 27 times longer than radius of B
- Sorry for the bad handwriting, hope this helps you
Date Posted:
4 years ago
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