Formulas
What is the formula for the area of a circle?
A = pi * r2
Find the area when then the... Base= 6in Height=7in
42in2
r = 1.9 m Calculate the area of the circle.
11.34 m2
Find the area when then the... Base= 5cm Height=12cm
30cm2
Find the area when then the... Length= 7m Width= 9m
What is 63m2
What is the formula for the area of a triangle?
A = 1/2 *b*h
Find the area when then the... Base= 12ft Height=9ft
108ft2
r = 1.3 mm Calculate the area of the circle.
What is 5.31mm2
Find the area when then the... Base= 7cm Height=12cm
What is 42cm2
Find the area when then the... Length= 4mm Width=6mm
What is 24mm2
What is the formula for the area of a rectangle?
A = l * w
Find the area when then the... Base= 14in Height=19in
266in2
r = 4.7 mm Calculate the area of the circle.
69.36mm2
Find the area when then the... Base= 3mm Height=7mm
What is 10.5mm2
Find the area when then the... Length= 11in Width=6in
What is 33in2
What is the formula for the circumference of a circle?
C = 2 * pi * r or
pi * d
Find the area when then the... Base= 5in Height=7in
What is 35 in2
d = 2.2m Calculate the area of the circle.
3.80m2
Find the area when then the... Base= 8in Height=10in
What is 40in2
Find the area when then the... Length= 12cm Width=4cm
What is 24cm2
What is the formula for the area of a square?
A = s2
Find the area when then the... Base= 8km Height=9km
72 km2
d = 4.5 cm Calculate the area of the circle
What is 15.9cm2
Find the area when then the... Base= 12mi Height=24mi
What is 144mi2
Find the area when then the... Length= 21mm Width=12mm
What is 126mm2