SOLID GEOMETRY a Area and perimeter Triangle A 2 1 base height 2 1 bh Trapezium A sum of two parallel sides height 2 1 a b h Circle Area r2 Circumference 2 r Sector Area of sector 360 r2 Length of Page 633. PROGRESSIONS iii a Arithmetic Progression b c c Tn a n 1d n a f x dx f x dx b f xdx a Sn 2a n 1d 2 d Area under a curve n a Tn AC AB BC 2 b Geometric Progression b A B and C are collinear if Tn ar n1 n AB BC where is a constant. We learn ii.
Log log log c a c b b a 9.
Is 86 and the sum of the first 15 terms is 555. Is 86 and the sum of the first 15 terms is 555. Add Maths Formulae List. T a n dn 1 10.