22/05/2026
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Named after Le Chatelier's Principle, a principle in chemistry named after French Chemist Henry Louis Le Chatelier, Le Chatelier's Academy is a Science, Technology, Engineering and Mathematics (STEM) education firm that seeks to help kids excel in mathematics and science. We cultivate interest in mathematics and science amongst school going children and we encourage more girls to pursue STEM relat
22/05/2026
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21/05/2026
ANGLE OF DEPRESSION
20/05/2026
ANGLE OF ELEVATION
MATHS TIP 5
Knowing and understanding the concept is crucial..!
15/05/2026
AREA OF SIMILAR TRIANGLES
If you know the area of the of one triangle, you can find the other by equating the ratio of the triangles to the square of the scale factor.
14/05/2026
AREA AND VOLUME OF SIMILAR SOLIDS
If two solids are similar, then the ratio of their areas is equal to the square of the scale factor and their volume is equal to cube of their scale factor.
13/05/2026
AREA AND VOLUME OF SIMILAR SOLIDS
For similar solids, the ratios of surface area and volume depend on the ratio of their corresponding lengths.
1. Surface Area of Similar Solids
If two solids are similar and their corresponding lengths are in the ratio:
a:b
then their surface areas are in the ratio:
a^2:b^2
2. Volume of Similar Solids
If the corresponding lengths are in the ratio:
a:b,
then their volumes are in the ratio:
a^3:b^3
12/05/2026
SIMILAR SOLIDS
Similar solids are 3D shapes that have:
* the same shape
* but different sizes
Their corresponding:
* lengths are in the same ratio,
* angles are equal,
* and all dimensions enlarge or reduce proportionally.
Examples include:
* two cubes,
* two cylinders,
* or two cones where one is an enlarged version of the other.
MATH TIP 4
Know your formulas. Know how the formulas are used.
11/05/2026
AREA OF SIMILAR TRIANGLES
The area of similar triangles is related to the square of their corresponding side lengths.
If you know the area of one triangle, you can find the area of the other triangle by equating the ratio of the areas to squares of the corresponding lengths.
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