Formulas
Formula for the parallelogram
A = b x h
Find the area when the... Base= 6 cm Height=7 cm
42 cm squared
What is the area of a circle?
πr^2
Find the area when then the... Base= 5 cm Height=12 cm
30 cm squared
Find the area when then the... Length = 7 m Width = 9m
63 m squared
Formula for area of a triangle
A = (b x h) / h
Find the area when the... Base= 12 m Height=9 m
What is 108 m squared
What does the r represents in the area of a circle? ____________
Radius
Find the area when then the... Base = 7 m Height = 12 m
42 m squared
Find the area when then the... Length = 4 cm Width = 6 cm
24 cm squared
Formula for area of a rectangle
A = L x W
or
A = b x h
Find the area when the... Base= 14 km Height=19 km
What is 266 km squared
If r=3cm what will be the diameter of the circle?
6cm
Find the area when then the... Base = 3 mm Height = 7 mm
10.5 mm squared
Find the area when then the... Length = 11 cm Width = 6 cm
33 cm squared
Formula for perimeter on rectangle
P = (L x W) x 2
Find the area when the... Base= 5 mm Height=7 mm
35 mm squared
Find area of circle if d=10cm
Round to 2 decimal places
78.54cm^2
Find the height when area is 40cm^2 and base is 8cm
10cm
Find the length when area is 24cm^2 and width is 4cm.
12cm
Formula for area of a square
A = L x W
or
A = b x h
Find the base when area is 72km^2 and height is 9km.
8km
If the area of a circle is 100cm^2 what is the radius?
round to 2 decimal places
Find the area when then the... Base= 12 km Height=24 km
144 km squared
Find the area when then the... Length = 21 km Width=12 km
126 km squared