Mensuration Formula Sheet

EDEXCEL O LEVEL MESURATION FORMULAE

SHAHARIAR HASSAN

CIRCLE

Radius= r Diameter=d Diameter=d=2r Area=πr2 Circumference=2πr

SECTOR

Θ is the angle of the sector. Area of Sector= Area of Segment=

–½

Arc Length= Perimeter=

TRIANGLE

+ 2r

Area= ½ x base x height Area= ½ absin

CYLINDER

Radius= r Height of the cylinder= h Volume= πr2h Total surface area(closed)= 2πrh +

2πr2 Total surface area(one side open)=

2πrh + πr2 Curved Surface Area= 2πrh

EDEXCEL O LEVEL MENSURATION FORMULA

SHAHARIAR HASSAN

EDEXCEL O LEVEL MESURATION FORMULAE

CONE

SHAHARIAR HASSAN

Radius= r Height of the cylinder= h Slant Height, l=√ Volume of cone= πr2h Surface Area= πrl

SPHERE

Radius= r Volume= πr3 Surface Area= 4 πr2

HEMISPHERE

Radius= r Volume= πr3 Surface Area= 2 πr2

TRAPEZIUM

Area= ½ (a+b)h

EDEXCEL O LEVEL MENSURATION FORMULA

SHAHARIAR HASSAN