Area of Plane Shapes

Description: Description: http://www.mathsisfun.com/images/area/triangle2.gif

Triangle  مثلث
Area = b h
b = base
h = vertical height

 

Description: Description: http://www.mathsisfun.com/images/area/squar2.gif

Square  مربع
Area = a2
a = length of side

Description: Description: http://www.mathsisfun.com/images/area/rectangle.gif

Rectangle  مستطيل
Area = w h
w = width
h = height

 

Description: Description: http://www.mathsisfun.com/images/area/parallel.gif

Parallelogram  متوازي أضلاع
Area = b h
b = base
h = vertical height

Description: Description: http://www.mathsisfun.com/images/area/trap.gif

Trapezoid (US)  شبه منحرف
Trapezium (UK)               
Area = (a+b) h
h = vertical height

 

Description: Description: http://www.mathsisfun.com/images/area/circle.gif

Circle  دائرة
Area = πr2
Circumference=2
πr
r = radius

Description: Description: http://www.mathsisfun.com/images/area/ellipse.gif

Ellipse  بيضاوي
Area = πab

 

Description: Description: http://www.mathsisfun.com/images/area/sector.gif

Sector  قطاع
Area = r2θ
r = radius
θ = angle in radians

مثال:

ما هي مساحة المستطيل؟

Description: http://www.thecartech.com/subjects/Physics/Area_files/image009.png

معادلة المساحة:

المساحة = الطول العرض
A = w h
w = العرض = 5 cm
h = الطول = 3 cm

تكون المساحة:

Area = 5 3 = 15 cm2

 

Volume of regular shapes  أحجام الأشكال المنتظمة

1- Cuboid (rectangular prism)

متوازي الأسطح

2- Sphere

الكرة

Description: http://www.thecartech.com/subjects/Physics/volume_files/image001.png

Description: http://www.thecartech.com/subjects/Physics/volume_files/image002.jpg

Description: http://www.thecartech.com/subjects/Physics/volume_files/image003.png

Description: http://www.thecartech.com/subjects/Physics/volume_files/image004.png

3- Cylinder

الأسطوانة                                                         

4- Cube

 المكعب                                      

Description: http://www.thecartech.com/subjects/Physics/volume_files/image005.jpg

Description: http://www.thecartech.com/subjects/Physics/volume_files/image006.jpg

Description: http://www.thecartech.com/subjects/Physics/volume_files/image007.png

Description: http://www.thecartech.com/subjects/Physics/volume_files/image008.png

5- Cone             

المخروط

6- Square based pyramid

هرم مربع القاعدة

Description: http://www.thecartech.com/subjects/Physics/volume_files/image009.jpg

Description: http://www.thecartech.com/subjects/Physics/volume_files/image010.jpg

Description: http://www.thecartech.com/subjects/Physics/volume_files/image011.png 

Description: http://www.thecartech.com/subjects/Physics/volume_files/image012.png