Question

A table cloth has dimensions 3 m by 120 cm. It has a hexagon of side 1.5 m designed in the centre. Find the length of border required to be put all around the table cloth and the hexagon in the centre. Also, find the total cost of border if I m of border costs rs.12.​

Answer 1

Answer: area of walls to be whitewashed = area of walls − area of doors and Windows

=2h(l+b)−2×2.5−1.5×2

264−5−3

=256m

2

cost of whitewash =256×3.2

=819.2rs

Step-by-step explanation:

Answer 2

Answer:

Table cloth- l=3m

=300cm,b=120cm

Perimeter=2(l+b) cm

=2(300+120) cm

=840cm

Perimeter of hexagon=6×side=6×1.5m=9m=900cm

Total length of border needed =840+900 cm

=1740cm=17.4m

Cost of border=17.4m×12 rupees

=208.8 rupees (Ans)

Step-by-step explanation:

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