Perimeter of the segment = (θ π r / 180) + 2r sin (θ/2).Ĭhord length of the circle = 2 √ Īrc Length of the circle segment = l = 0.01745 x r x θ Here radius of circle = r, angle between two radii is ” θ” in degrees.Īrea of the segment of circle = Area of the sector – Area of ΔOAB.Īrea of the segment = ( θ /360) x π r 2 + ( 1 /2) x sinθ x r 2 Segment of circle and perimeter of segment: Sector angle of a circle θ = (180 x l )/ (π r ). ![]() And sector of a circle AOB.Īrc length of circle( l ) (minor) = ( θ /360) x 2 π r = θ π r / 180Īrea of the sector (minor) = ( θ /360) x π r 2 Here angle between two radii is ” θ” in degrees. Here Origin of the circle = O, Diameter = D and Radius = rĪrea of a circle (A ) = π r 2 =( π/4 ) D 2 = 0.7854 D 2Ĭircumference of a circle ( C ) = 2 π r = π D.Īrea of circle =( 1/2) x Circumference x radius Types of Quadrilateral | Quadrilateral Properties Here length of the side for square ABCD = aįor more concepts regarding the Quadrilateral please go through the below link Here h = height, AB = BC = CD = DA = b & AB || DC, AD || BC Then Area of Trapezium (Trapezoid) ABCD = (1/2 ) (a + b) h. Here AD || BC, Height from base AD to base BC is ” h” and length of AD = a and BC = b ![]() In this article cover maximum all two dimensional shapes propertied with formulas of area and perimeter calculations.Īrea of the triangle = (1/2) x Base x Heightįor more concepts regarding the triangles please go through the below linkĬlassification according to angle and according to sides like Equilateral, isosceles, Scalene, acute angled triangle, Right angled triangle and obtuse angled triangle etc. Two dimensional shape also known as “2D”. For example Circles, Triangles, rectangle, Squares, … etc are called two dimensional objects. Formulas for two dimensional | Triangle, Quadrilateral, CircleĪ shape with only having two dimensions of width and height and not having another dimension like thickness then it is called two dimensional shape.
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