Q. 114.3( 22 Votes )
There is a slide in a park. One of its side walls has been painted in some color with a message “KEEP THE PARK GREEN AND CLEAN.” If the sides of the wall are 15 m, 11 m, and 6 m, find the area painted in color.
Given: Sides of the walls are 15 m, 11 m, and 6 m.
To Find: Area painted in color.
If sides of a triangle are a, b, and c, then area of a triangle is given by:
Where s = semiperimeter of the triangle
Let the sides of the triangle be,
a = 15 m
b = 11 m
c = 6 m
s = 16 m
Area = 20√2 m2.
Hence, the area of wall painted in color is 20√2 m2.
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