Maths revision - geometry formulas Flashcards
What is the formula for the area of a triangle?
S = (a x ah) /2
What is the formula for the area of a circle?
S = pi x R^2
What is the formula for the area of a sector?
S = S(circle) x (sector virstones <) / 360
What is the formula for the circumference of a circle?
C = 2Rpi
What is the formula for the area of a sānu virsma in a prism?
S = P(pamatam) x h
What is the formula for the area of a virsma?
S = 2S(pamatam) + S(sānu virsmai)
What is the formula for the volume of a prism?
V = S(pamatam) x h
What is the area for a sānu virsma in a cilinder?
S = C x h
What is the area for a pilna virsma in a cilinder?
S = 2 x piR^2 + S(sānu virmai)
What is the formula for the volume of a cilinder?
V = piR^2 x h
What is the formula for the area of a trapezium?
S = (a + b)/2 x h
What is the formula for the area of a virsma of a trapezium prism?
S = 2S(trapecei) + S(sānu virsmai)
What is the formula for the volume of a trapezium prism?
V = S(trapecei) x h(prizmai)