Area of Squares
Area of Rectangles
Area of Triangles
Classifying Shapes
Circles
100
What is the formula for finding the area of a square?
s x s OR l x w
100
What is the formula for finding the area of a rectangle?
l x w
100
What is the formula for finding the area of a triangle?
(b*h) / 2
100
What is the length of this rectangle?
10cm
100
What is the formula for finding the area of a circle?
A=pi x r2
200
What's the area of this shape?
25cm2
200
What is the Area of this Rectangle?
18cm2
200
What is the area of this Triangle?
600cm2
200
What's the side length for this shape?
5cm
200
What is the difference between the radius and the diameter?
The diameter goes across the circle (cutting it in half) & the radius only to the middle of the circle
OR
The radius is half of the diameter
300
A squares sides are all ________
Equal
300
What is the area of a rectangle that has a length of 20m and a width of 7m?
A=l x w
= 20 x 7
= 140m2
300
What's the area of this triangle?
48m2
300
What is the height dimension for this shape?
70m
300
What is the area of a circle that has a radius of 6m? Answer to (1.d.p)
A=pi x 62
= 113.1m2
400
What is the area of this shape?
169cm2
400
Which shape has an area of 12m2?
400
What is the area of this triangle?
1295m2
400
What is the base measurement in this triangle?
40cm
400
What is the area of a circle that has a diameter of 20m? Answer to (1.d.p)
20/2=10m
A=pi x 102
=314.2m2
500
A square has a side length of 3.5cm. What is the area for this shape?
12.25cm2
500
The area of this city block is 6000m2, how long is the unknown side length?
60m
500
Which triangle has an area of 21m2
500
What is the relationship between the formula for finding the area of the triangle and the formula for finding a rectangle/square?
The formula for finding the area of a triangle is HALF of the formula for finding the area of a square. hence why B X H / 2
500
A builder needs to know the area of a swimming pool. The pool is in the shape of a semi-circle. This pool measures 22.6m across. Calculate the area of this pool correct to (2.d.p)
22.6/2= 11.3m
A=pi x 11.32
= 401.149.../2
= 200.57m2