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Maths CBSE Live product
Class 9
Herons formula
Heron Formula Application - I
4.
Calculate the area of the digital board
Question:
3
m.
There is a triangular digital board in a road with a message
SAVE EARTH, SAVE PLANT
. If the sides of the board are
6
\(dm\)
,
8
\(dm\)
and
10
\(dm\)
, find the area of the digital board.
Area of the digital board
\(=\)
\(dm\)
\(^2\)
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