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Area Calculations


Square

a = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$d = a.\sqrt 2$$ $$Area = a^2$$
d = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Rectangle

a = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

b = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$d = \sqrt{a^2 + b^2}$$ $$Area = a.b$$
d = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Trapezium

a = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

b = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

h = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$m = {(a + b)\over 2}$$ $$Area = m.h$$
m = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Triangle

a = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

h = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$Area = {a.h \over 2}$$
Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Equilateral Triangle

a = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$d = {a \over 2} \sqrt 3$$ $$Area = {a^2 \over 4} \sqrt 3$$
d = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Circle

d = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$Perimeter = \pi.d$$ $$Area = \pi.r^2 = {\pi.d^2 \over 4}$$
Perimeter = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Circular Ring

d = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

D = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$b = {D - d \over 2}$$ $$Area = {\pi \over 4}.(D^2 - d^2)$$
b = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Circular Sector

r = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

α = °

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$b = {r.\pi.\alpha^\circ \over 180^\circ}$$ $$Area = {b.r \over 2} = {r^2.\pi.\alpha^\circ \over 360^\circ}$$
b = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Circular Segment

r = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

α = °

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$b = {r.\pi.\alpha^\circ \over 180^\circ}$$ $$s = 2.r.sin{\alpha \over 2}$$ $$h = r.(1 - cos{\alpha \over 2})$$ $$Area = {r^2 \over 2}.\left({\alpha^\circ.\pi \over 180^\circ} - sin \alpha \right)$$
b = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

s = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

h = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001


Ellipse

d = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

D = mm

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

$$Area = {D.d.\pi \over 4} = a.b.\pi$$
Area = mm2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001

Area = m2

Integers or decimals only. Maximum 10 characters
Minimum value = 0.001