Formulas
Calculate
Area
Circles
Mr Brown
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 round to the hundredths place if necessary.
A = 10 x 12
= 120m2
100
What is radius?
Radius is half the diameter.
The distance from the middle point of a circle
100
What are the two other homegroups that Mr Brown teaches?
9E and 9F
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
What is diameter?
The distance across the whole circle through the middle of the circle.
200
How many languages does Mr Brown speak?
One. And barely that one at times...
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 area?
The space inside the circle
300
How many suits does Mr Brown have? (matching jackets with pants)
7
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
What kind of pet does Mr Brown have?
He doesn't have a pet
500
What is the formula for area of a circle?
a=3.14 x r2
500
ind the area of the trapezoid shown.
A= 0.5 x (36 + 68) x 30
= 1,560 ft2
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
Calculate the area:
r = 6
A = π x 62
= 113.04 cm2
500
Mr Brown is 50% _________ (insert nationality). Which one is it?
Dutch. I am Half Dutch.
1000
How to find the area of a trapezium?
A = 0.5 x (a +b) x h
1000
What is the area of this trapezoid?
A = 0.5 x (5 + 9) x 6
=42 m2
1000
What is the area of a trapezoid whose a = 9 cm, b = 5 i and h = 6 cm?
A = 0.5 x (9+5) x 6
= 42cm2
1000
Calculate the area of the circle below:
If a circle has an area of 153.86 cm2, find the radius to the nearest whole number.
r= Sqrt(153.86/Pi)
1000
What time is the morning train that Mr Brown catches?
(answer must be within 2 minutes of either side to get points)
7:46 am