Formulas
Calculate
Area
Circles
Do you know what you know
100

What is the formula for area of a triangle?

A = 0.5 x bxh or A = bh/2

100

Find the area of the rectangle to the nearest 2 d.p


A = 4.2 x 8.7

   = 36.54 ft2

100

Find the area of the parallelogram with a base of 10m and a height of 12m.


A = 10 x 12

   = 120m2

100

What is radius?

Radius is half the diameter.

The distance from the middle point of a circle

100

Want that cool new skin? What's the in-game currency you need to make it rain in the 'Fortnite' item shop?

V-Bucks

200

What is the Area formula for a rectangle?

A = L x W

200

Find the area of the triangle.

A= 0.5 x 7 x 6

  = 21 in2

200

What is the area of a triangle if the base is 3.5 cm and the height is 7 cm? round to the hundredths place.

A = 0.5 x 3.5 x 7

= 12.25 cm2

200

Who are the two new Maths Teachers this year?

Mr Goh and Ms Ciavarra

200

Which country hosted the 2008 Summer Olympics

China

300

Area of a Parallelogram


A =  b x h

300

Find the area of the parallelogram with a base of 13.5m and a height of 12.5m

A = 13.5 x 12.5

   =168.75m2

300

What is the area of this triangle to the nearest hundredths place if necessary. 

A = 0.5 x 7 x 2.9

10.15 ft2

300

What is diameter?

The distance across the whole circle through the middle of the circle.

300

In Minecraft which block stands as the ultimate fortress, unbreakable in survival mode?

Bedrock

400

what is the formula for area of a square?

a=s2

or

a=lw

400

What is the area of a triangle if the base is 5 cm and the height is 10 cm?

A = 0.5 x 5 x 10

   =25 cm2

400

What is the area of a triangle with a base of 15 cm and h = 8 cm?

A = 0.5 x 15 x 8

= 60cm2

400

What is the formula for area of a circle?

A=πr2

400

Where does Australia stand in the lineup of the world’s largest countries?  

6th

500

What is the formula for circumference of a circle?

C = 2*pi*r 

or

C = pi * d

500

If you’re beaming with joy, you’re what? 

Ecstatic

500

A parallelogram has a base length of 15 meters, a height of 7 meters, and a slant height of 10 meters. 

Calculate the area of the shape.

105 m2

500

What is the name of Bluey and Bingo's mum?

Chilli

500

In which year was the first 'Harry Potter' film released?

2001

750

How to find the area of a trapezium?

A = 0.5 x (a +b) x h

750

What is the area of this trapezoid?

A = 0.5 x (5 + 9) x 6

   =42 m2

750

What is the area of a trapezium whose a = 9 cm, b = 5 i and h = 6 cm?

A = 0.5 x (9+5) x 6

= 42cm2

750

Calculate the area:

r = 6

A = π x 62

= 113.04 cm2

750

What was the name of the first manned mission to land on the Moon, which took place in 1969?

Apollo 11