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Answer:
RS 705.60
Step-by-step explanation:
a=9
b=28
c=35
S=(a+b+c)÷2
area=√S(s-a)(s-b)(s-c)
=√36(36-9)(36-28)(36-35)
=√36(27)(8)(1)
=√36(216)
=√7776
=88.18m^2
therefore area of one title =84.85
area of 16 tiles =88.18×16
=1410.88m^2
cost of polishing tile=1410.88×50
=705.60
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