a triangular field has dimension 24 m 7m 25m it has a road running around it so that the triangular region including Road has dimension 26m 9m 27m.Find the cost of fitting tiles on the road at the rate of ₹80 per m2.
Answers
Answered by
6
The given triangle is a right triangle, bcoz 24²+7²=25².
∴Area of the triangle=1/2 x 24 x 7
=84m²
When a road surrounds the field,
total area= 1/2 x 26 x 9
=117m²
∴Area of the road=117-84
=33m²
Cost of tiling=rs.80/m²
∴cost of tiling the road=33 x 80
=2640Rs.
∴Area of the triangle=1/2 x 24 x 7
=84m²
When a road surrounds the field,
total area= 1/2 x 26 x 9
=117m²
∴Area of the road=117-84
=33m²
Cost of tiling=rs.80/m²
∴cost of tiling the road=33 x 80
=2640Rs.
Similar questions