What is the exact circumference of a circle with a diameter of 10cm?
10πcm
100
What is the formula for finding the area of a trapezium?
1/2(a+b)h
100
Express 12.5% as a fraction.
1/8
100
m/3 % m/5
5/3
100
What is a 4 sided plane shape called?
A quadrilateral.
200
How many m2 are in 1ha?
10 000m2
200
How many points of symmetry does a trapezium have?
0
200
Joe buys a printer for $50 and 3 years later sells it for a loss of 35% due to rain damage. What price did he sell it for?
$32.50
200
4x x 2y + 6x x 7z
8xy + 42xyz
200
What is πr2
Area formula for a circle
300
What is the area of a triangle with a base length of 10cm and a height of 26mm.
13cm2
300
How many quadrilaterals have 4 equal sides?
2 (Rhombus and square)
300
A person buys a house for $535000. He sells it 10 years later in a boom and receives a 113% increase on the original price (It was a seaside house). How much did he sell it for?
$1139550
300
2x - 13 = 5x - 25 What does x equal to 1 decimal place.
1.7
300
What is the factor for giga? (10?)
109
400
A square has an area of 272.25cm2.
What is the perimeter?
66cm
400
Which quadrilateral is the only one without point symmetry?
The kite
400
What's 65% of 75% of 85? (Exact, a calculator will be needed)
41.4375
400
What are the prime factors of 61785?
5,5,5,5,41
400
What are all of the properties of a rhombus, excluding the symmetrical properties?
A rhombus has:
-Two pair of parallel sides
-All sides are equal
-Diagonals bisect each other at right angles
-Diagonals bisect the angles through which they pass
500
True or False?
1km2=10 000 000 000 000mm2
False
500
Which quadrilateral am I?
When my diagonals cross they are perpendicular.
My sides are all equal.
I have two pairs of parallel lines.
My diagonals are equal.
What am I?
Square
500
John receives a pay increase of 13% to his annual salary. If his new salary is $85350, how much was his pay increase? (Correct to the nearest full dollar).