Formulas
Parallelograms
Circles
Triangles
Composite Figures
100
What is the formula for the area of a triangle
A = (pi)r r (or A= pi r²)
100
Find the area when then the... Base= 6m Height=7m
What is 42m²
100
r = 1.9 m Calculate the area of the circle.
11.34 meters squared
100
Find the area when then the... Base= 5m Height=12m
30m²
100
Find the area
216cm²
200
What the formula for area of a triangle
A = bh ÷ 2
200
Find the area when then the... Base= 12cm Height=91cm
1092cm²
200
r = 1.3 mm Calculate the area of the circle.
5.31 mm squared
200
Find the area when then the... Base= 7m Height=12m
42m²
200
Find the area.
21ft²
300
What is the formula for area of a rectangle
A = l x w
300
Find the area when then the... Base= 14km Height=19km
266km²
300
d = 4.7 mm Calculate the area of the circle.
17.34 mm²
300
Find the area when then the... Base= 13cm Height=7cm
10.5cm²
300
Find the area.
111m²
400
What is the formula for area of a parallelogram?
What is A = b x h
400
Find the height when then the... Base= 17in Area=442in²
26 in
400
d = 2.2 m Calculate the area of the circle.
3.80 m²
400
Find the height when then the... Base= 8km Area=800km²
200km
400
Find the area
84in²
500
What is the formula for a semicircle?
A = (pi)rr ÷ 2
500
Find the base when then the... Area= 1554km² Height=37km
What is 42km
500
The area of a circle is 200.96m². What is the diameter?
16m
500
Find the height when then the... Base= 127ft Area=8064.5ft²
127ft
500
Find the area
8.71 cm²