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_ 
= 1 
bh 2 
( For any Triangle.)
WE KNOW THAT 
AREA OF RIGHT 
ANGLED TRIANGLE 
_1 
= bh 2 
B = base of the triangle 
H = height of the triangle
ALSO WE KNOW THAT 
TRIANGLES WITH THE SAME 
BASE AND BETWEEN THE 
SAME PARALLELS ARE OF 
EQUAL AREA
.2 A 1. D 
B C
If we move A to point 1 
then 
. 
A 
h h 
B C
 Here we get an 
acute angled 
Triangle. 
It has same area 
of the right angled 
triangle
_1 
= bh 2
. 
B C 
A 
h 
If we move A to point 2 
then
 Here we get an 
obtuse angled 
Triangle. 
It has same area 
of the right angled 
triangle
_1 
= bh 2
AREA OF TRIANGLE

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AREA OF TRIANGLE

  • 1.
  • 2. _ = 1 bh 2 ( For any Triangle.)
  • 3.
  • 4. WE KNOW THAT AREA OF RIGHT ANGLED TRIANGLE _1 = bh 2 B = base of the triangle H = height of the triangle
  • 5. ALSO WE KNOW THAT TRIANGLES WITH THE SAME BASE AND BETWEEN THE SAME PARALLELS ARE OF EQUAL AREA
  • 6. .2 A 1. D B C
  • 7. If we move A to point 1 then . A h h B C
  • 8.  Here we get an acute angled Triangle. It has same area of the right angled triangle
  • 10. . B C A h If we move A to point 2 then
  • 11.  Here we get an obtuse angled Triangle. It has same area of the right angled triangle
  • 12. _1 = bh 2