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WELCOME
KUCTE, 
KARIAVATTAM. 
NAME: AMMU S 
OPTIONAL: MATHEMATICS.
CONTENT. 
TOTAL SURFACE AREA OF A 
TRIANGULAR 
PRISM
WHAT IS A TRIANGULAR 
PRISM? 
Triangular prism is a three 
dimensional figure with two 
triangular bases and three 
rectangular lateral faces.
CONSTRUCTION.
AREA OF THE 
BASES(TRIANGLES)= 
SQRT(S(S-A)(S-B)(S-C)) 
where a,b,c are the sides of the triangle and 
s = (a+b+c)/2.
AREA OF THE LATERAL FACES =AH+BH+CH. 
Where 
-‘ah’ is the area of the rectangular face with breadth ‘a’ and height ‘h’. 
-’bh’ is the area of the rectangular face with breadth ‘b’ and height ‘h’. 
-’ch’ is the area of the rectangular face with breadth ‘c’ and height ‘h’.
TOTAL SURFACE AREA= 
BASE AREA+ LATERAL SURFACE 
AREA. 
=(a+b+c)h+2(s(s-a)(s-b)(s-c))
Thank You

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Total surface area of a triangular prismWelcome

  • 2. KUCTE, KARIAVATTAM. NAME: AMMU S OPTIONAL: MATHEMATICS.
  • 3. CONTENT. TOTAL SURFACE AREA OF A TRIANGULAR PRISM
  • 4. WHAT IS A TRIANGULAR PRISM? Triangular prism is a three dimensional figure with two triangular bases and three rectangular lateral faces.
  • 6. AREA OF THE BASES(TRIANGLES)= SQRT(S(S-A)(S-B)(S-C)) where a,b,c are the sides of the triangle and s = (a+b+c)/2.
  • 7. AREA OF THE LATERAL FACES =AH+BH+CH. Where -‘ah’ is the area of the rectangular face with breadth ‘a’ and height ‘h’. -’bh’ is the area of the rectangular face with breadth ‘b’ and height ‘h’. -’ch’ is the area of the rectangular face with breadth ‘c’ and height ‘h’.
  • 8. TOTAL SURFACE AREA= BASE AREA+ LATERAL SURFACE AREA. =(a+b+c)h+2(s(s-a)(s-b)(s-c))