Question

A floral design on the floor of a room consists
of 200 tiles. Each tile is in the shape of a
parallelogram of base 50 cm and altitude 30
cm. Find the cost of fixing tiles at the rate
of 50 per square metre.
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Answer 1

$total \: cost = area \: of \: parallogram \: \times \: number \: of \: tiles \: \times \: cost \\ = 50 \times 20 \times 200 \times 50 \\ = 10000000$

Area of parallogram =Base multiplied by hight (altitude)