|Square||Length x Width|
|Rectangle||Length x Width|
|Triangle||1/2 x Base x Height|
|Parallelogram||Base x Height|
|Trapezium||1/2 x (Base Length + Top Length) x Height|
r = radius
Other surface areas
|Cube||6 x Length x Width||It consists of six square surfaces with same area.|
|Cuboid||(2 x Height x Width) + (2 x Height x Base) + (2 x Base x Width)||Three pairs of rectangle where each pair of triangles have same area.|
|Cylinder (solid)||2Πr 2 + 2Πr x height of the cyclinder|
|Cone (solid)||Πr 2 + Πrl||l is the slant height|
r = radius
Mensuration – Area (Questions)
- How long is the side of a cube if the surface area is 600cm2?
- What is the surface area of a sphere if the radius is 0.7cm?
Mensuration – Area (Answer)
About Dr Loo - O-level & JC H2 math tutor
I am Dr Loo, a PhD holder with 8 years of teaching experience on secondary school and tertiary level specialize on mathematics and statistics. In addition, I also received teaching training under tertiary setting. Furthermore, I have published 5 research papers on international peer reviewed journals. If you are currenlty looking for mathematics tuition in Singapore, I do provide O-level Math Tutoring & JC Math Tutoring (H1 Math Tuition Class & H2 Math Tuition Class).
Thus, for those who are looking for a JC Math Tutor (H1 Math tutor or H2 Math tutor) as well as O-level Math Tutor, you may contact me for my math tuition in Singapore. I can be contacted through SMS/Whatsapp/Telegram at +65-85483705.