## Hardest Geometry Question 16b in NSW HSC Math Extn 2 2018: Solved

The hardest geometry question from math extension 2 exam paper in NSW HSW 2018 test in Australia solved step by step and each step clearly explained.

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Basic concepts on maths, mostly up to class 10. This is the most important math knowledge used in almost all competitive exams.

Submitted by Atanu Chaudhuri on Fri, 24/01/2020 - 01:02

Submitted by Atanu Chaudhuri on Wed, 22/01/2020 - 16:44

This geometry question from math extension 2 exam paper in NSW HSW 2019 test in Australia was reported as very hard. Its systematic solution is explained.

Submitted by Atanu Chaudhuri on Thu, 08/08/2019 - 00:02

Learn how to factorize a quadratic equation by factor analysis step by step. Practice on 25 problem exercise. Check with solution.

Submitted by Atanu Chaudhuri on Sun, 28/07/2019 - 04:56

The result of the least value of sum of reciprocals, used in Algebra, represents an important principle of value sharing. Here is a rare algebraic proof.

Submitted by Atanu Chaudhuri on Mon, 31/12/2018 - 20:31

Fraction comparison is needed to solve difficult fraction problems. Six different fraction comparison techniques explained by solving selected problems.

Submitted by Atanu Chaudhuri on Thu, 20/12/2018 - 17:25

In an analog clock the minutes hand moves faster than the hour hand and crosses it 22 times in a day, both going round and round over the clock face. In a typical clock problem, we are asked to find the angle between the two clock hands at a specific time...

Submitted by Atanu Chaudhuri on Wed, 19/12/2018 - 15:52

Calendar rules to solve questions on calendar. Comprehensive calendar concepts for solving any calendar problem. Exercise on Calendar problems with answers.

Submitted by Atanu Chaudhuri on Tue, 11/12/2018 - 22:38

For most needs of finding square root, if we remember by heart squares and cubes of a few common integers, using quick factorization we can figure out the square roots or cube roots of numbers be it integer or decimal. But occasionally, in a few specific types of arithmetic problems, there is no other option than to actually evaluate the square root of a number following a method specifically tailored for the purpose...

Submitted by Atanu Chaudhuri on Sun, 01/07/2018 - 19:03

Occasionally the distinctive expression appears in one of the expressions, but its inseparable pair, the fraction of the two variables, is not readily available in the problem statement. We say in these cases that componendo dividendo appears in partial form, and the problem is of hidden componendo dividendo type. We need to change the given expression to match the target expression in such cases...

Submitted by Atanu Chaudhuri on Fri, 22/06/2018 - 01:52

You will learn advanced techniques on how to compare surds in the part 3 of how to solve surds. Suitable example problems on comparison of surds are used.