maths formula 0.0 / 5 ? MathematicsData HandlingGCSEAQA Created by: stephanie aghaCreated on: 13-01-19 20:12 Sum of interior angles 180(n-2) 1 of 14 number of sides 180-given angle 2 of 14 Area of a triangle 1/2(bh) 3 of 14 circumference of circle C=2πr C=πd 4 of 14 Arc Length Formula (x/360)2πr 5 of 14 area of a sector formula x/360 * (pi)r^2 6 of 14 Arithmetic Sequence Formula un= a+ d(n-1) 7 of 14 sum of numbers in a series sum= n/2 [2a+d(n-1)] 8 of 14 direct proportion formula y= kx 9 of 14 inverse proportion formula y= k/x 10 of 14 sine rule (two angles) a/sinA = b/sinB = c/sinC 11 of 14 speed formula distance/time 12 of 14 density mass/volume 13 of 14 pressure force/area 14 of 14
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