Formulas
Parallelograms
Trapezoid
Triangles
Rectangles
100

Formula for the parallelogram

Base X height

100

Find the area when the... 

Base= 6cm

Height=7cm

42 cm2

100

Find the area of the following trapezoid. 

B1= 11 ft

B2= 7 ft

H= 7 ft

98 ft2

100

Find the area when then the... 

Base= 5cm 

Height=12cm

30cm2


100

Find the area when then the... 

Length= 7m 

Width= 9m

 63 m2

200

Formula for area of a triangle

1/2BxH or BxH divided by 2

200

Find the area when the... 

Base= 12in. 

Height=9in.

What is 108 in2

200

Find the area of the following trapezoid. 

B1= 5 cm

B2= 7.5 cm

H= 6 cm

37.5 cm2

200

DOUBLE 

Find the area when then the

Base= 7in 

Height=12in

42 inches2

200

Find the area when then the... 

Length= 4in 

Width=6in

 24 inches2


300

Formula for area of a rectangle

BxH

300

DOUBLE 

Find the area when the... 

Base= 14ft

Height=19ft

What is 266 ft2

300

Find the area of the following trapezoid. 

B1= 6.3 ft

B2= 3.6 ft

H= 4 ft

19.8 ft2

300

Find the area when then the... 

Base= 3ft

Height=7ft

10.5 ft2

300

DOUBLE 

Find the area when then the... 

Length= 11cm 

Width=6cm

 66 cm2

400

Formula for area of a Trapezoid

1/2h(b1+b2)

400

Find the area when the... 

Base= 5in 

Height=7in

35 inches2

400

Find the height of the following trapezoid. 

B1= 8 ft

B2= 14 ft

A= 176 ft2


H= 16 ft

400

Find the area when then the...

Base= 8cm 

Height=10cm

What is 40cm2

400

Find the area when then the... 

Length= 12cm 

Width=4cm

48 cm2

500

Formula for area of a square

bh or s​2​​​
500

Find the area when then the... 

Base= 8km 

Height=9km

72 kilometers2

500

Find the area of the following trapezoid. 

B= 8.7 cm

B= 1.4 cm

H = 80 cm

404 cm2


500

Find the area when then the... 

Base= 12ft

Height=24ft

144 ft2

500

Find the area when then the...

Length= 21ft 

Width=12ft

252 ft2