Question

how can i find out tat the question is telling LSA or TSA of solid ??

Answer 1

area of 4 walls lsa
area of whole surface tsa

Answer 2

• L.S.A = Lateral surface area
• T.S.A = Total surface area.

> How to identify whether the question I asking to find L.S.A or T.S.A ?

• L.S.A is the area of all regions except the base
• T.S.A is the total area of the solid figure.

> Type of questions for L.S.A

•Question may come like excluding the base.
• Flower vase. ( in dat case, L.S.A + area of plane fig.)
• Area of Walls

> Type of questions in T.S.A

• Find the total surface area
• find the area of the room

[ First, understand the question clearly, you may automatically know what to do - L.S.A or T.S.A - this is the easiest way ;p ]

Hope it helps. ♥