Section 10 Foundation Flashcards
How many kilograms in a tonne?
1000
In standard index form numbers are expressed as a x 10 to the power n. What are the restrictions on a?
1 ≤ a < 10
What decimal multiplier is used to increase a value by 4%
1.04
What is the formula for the volume of a cylinder with height h and radius r?
πr²h
What’s the sum of the exterior angles of a polygon?
360 degrees
What do we call a quadrilateral with four equal length sides, no right angles and two pairs of parallel sides?
Rhombus
What do we call two triangles with equal corresponding angles and proportionate sides?
Similar triangles
What’s a geometric sequence?
A sequence made by multiplying by the same value each time.
How do you calculate density?
mass divided by volume
What information do you need to describe a rotation?
An angle, direction and centre of rotation.
What are the four tests for triangle congruency? Give the initials.
SSS, SAS, ASA (or AAS), RHS
In a right-angled triangle with angle x, how do we find sin x?
sin x = opposite / hypotenuse
