Formulas
Formula for the parallelogram
A = b x h
Find the area when the... Base= 6cm Height=7cm
42 cm squared
Find the area of a triangle when... Base= 5cm Height=12cm
30cm2
Find the area when then the... a=2 in, b=3 in, h=10 in
25 in2
When given the area and one of the dimensions, how do I find the missing dimension?
I divide the area by the given dimension.
Formula for area of a triangle
A = 1/2 x b x h
Find the area when the... Base= 12in. Height=9in.
What is 108in. squared
Find the area when... Base= 7in Height=12in
42 inches2
Find the area when then the... h=4 in, a=6 in and b=8 in
28 inches2
I have a 3in x 5in rectangle. Inside the rectangle is a square that has 2in sides. What is the area of the large rectangle without counting the square inside it?
11 in2
3x5=15
2x2=4
15-4=11 in2
Formula for area of a rectangle
A = l x w
Find the area when the... Base= 14ft. Height=19ft.
What is 266 ft. squared
Find the area when ... Base= 3ft. Height=7ft
10.5 ft.2
Find the area when then the...
a=10 cm
h=6 cm
b=1 cm
33 cm2
area=108 and b= 8
Find the missing dimension in the parallelogram.
h= 13.5 units
Formula for area of a trapezium
A = 1/2 x h x (a+b)
Find the area when the... Base= 5in Height=7in
35 inches squared
Find the area when ... base= 8cm, height=10cm
What is 40 cm2
Find the area of a rectangle when the... Length= 12 cm Width=4 cm
48cm2
Square A has area of 45in2. Inside square A is a parallelogram with b=3 and h=5. What is the area of the square A after you take out the parallelogram?
30 in2
Formula for area of a square
A = s2
Find the area of the square when the base is 2.3km.
5.29 km2
Find the area: b=10.1 and h= 10
50.5 units2
Find the area of a parallelogram when the... Base= 21ft Height=12ft
252ft.2
A=120 in2, b=2.5in
What is the height of the parallelogram?
h= 48 in