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How to Construct Pascal's Triangle. In Pascal's Triangle, the top row is 1, with the second row just below it containing 1 and 1. To construct each subsequent row, add each pair of numbers, moving from left to right so that each number on a row is the sum of the two numbers just above it, to the right and the left.Put a 1 on both ends of each row.o construct each subsequent row, add each pair of numbers, moving from left to right so that each number on a row is the sum of the two numbers just above it, to the right and the left. Put a 1 on both ends of each row.
* TRIANGLE FORMULAE: To get the area of a triangle you can either use Triangle(BH) which asks you to enter the Base and Height. To get the area of a triangle you can either use Triangle(BH) which asks you to enter the Base and Height.Or you can use the amazing Triangle(3S) formula which asks for the lengths of the three sides of the triangle. (You don't need to know the perpendicular height!).If the three sides measure a, b and c, then the Triangle(3S) formula used by the calculator is: Triangle area = (s(s-a)(s-b)(s-c)) Â½. TRIANGLE FORMULAE: To get the area of a triangle you can either use Triangle(BH) which asks you to enter the Base and Height. To get the area of a triangle you can either use Triangle(BH) which asks you to enter the Base and Height.