Question

total cost of polishing a square surface is Rs 101430 cost per sq feet is 230 What is the length and the width of the square surface

Answer 1

Given

Total cost of polishing a square surface =₹101430

Cost of polishing 1 square surface =₹230

Polished surface = total cost of polishing / cost of 1 square surface

=101430/230

=441 feet²

Area =441 feet²

We know that area of square = side x side

Or side²

( In square we know that length = width)

Side²=441

$side = \sqrt{441}$

Side=21 feet

Length and width =21 feet


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