Year_9_Term_2_Test_-_Revision_List

What is the formula for the sum of the first n terms of an arithmetic series?

S = [2a + (n-1)d]/2

What does the Sine Rule state for triangle ABC?

a/sin A = b/sin B = c/sin C

What is the formula for the volume of a cone?

Volume = (1/3)πr²h

What does the Cosine Rule state?

a² = b² + c² - 2bc cos A

How do you calculate the area of a trapezium?

Area = (a + b)h/2

What is the formula for the volume of a cylinder?

Volume = πr²h

How do you find the curved surface area of a cone?

Curved Surface Area = πrl

What are the given values in the formula for the surface area of a sphere?

Surface Area = 4πr²

What is the formula for the area of a circle?

Area = πr²

How do you calculate the circumference of a circle?

Circumference = 2πr

What does Pythagoras' theorem state?

In a right triangle, a² + b² = c² where c is the hypotenuse.

What is the formula for the total surface area of a cylinder?

Total Surface Area = 2πr(h + r)

What is the formula for the area of a triangle?

Area = (1/2)bh

How do you calculate the volume of a rectangular prism?

Volume = lwh where l is length, w is width, and h is height.

What is the formula for the area of a parallelogram?

Area = base × height

How do you calculate the surface area of a cube?

Surface Area = 6a² where a is the length of a side.

What is the formula for the volume of a pyramid?

Volume = (1/3) × base area × height

How do you find the area of a sector of a circle?

Area = (θ/360) × πr² where θ is the angle in degrees.

What does the Law of Sines state?

a/sin A = b/sin B = c/sin C applies to any triangle.