Maths revision - geometry formulas

Question 1

What is the formula for the area of a triangle?

Answer 1

S = (a x ah) /2

Question 2

What is the formula for the area of a circle?

Answer 2

S = pi x R^2

Question 3

What is the formula for the area of a sector?

Answer 3

S = S(circle) x (sector virstones <) / 360

Question 4

What is the formula for the circumference of a circle?

Answer 4

C = 2Rpi

Question 5

What is the formula for the area of a sānu virsma in a prism?

Answer 5

S = P(pamatam) x h

Question 6

What is the formula for the area of a virsma?

Answer 6

S = 2S(pamatam) + S(sānu virsmai)

Question 7

What is the formula for the volume of a prism?

Answer 7

V = S(pamatam) x h

Question 8

What is the area for a sānu virsma in a cilinder?

Answer 8

S = C x h

Question 9

What is the area for a pilna virsma in a cilinder?

Answer 9

S = 2 x piR^2 + S(sānu virmai)

Question 10

What is the formula for the volume of a cilinder?

Answer 10

V = piR^2 x h

Question 11

What is the formula for the area of a trapezium?

Answer 11

S = (a + b)/2 x h

Question 12

What is the formula for the area of a virsma of a trapezium prism?

Answer 12

S = 2S(trapecei) + S(sānu virsmai)

Question 13

What is the formula for the volume of a trapezium prism?

Answer 13

V = S(trapecei) x h(prizmai)