please answer this question
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Step-by-step explanation:
Area of one triangular tile =
s = 9+28+35 /2
= 72 / 2
= 36
Here, s=36, a=9 , b=28 and c=35
area = √s(s-a) (s-b) (s-c)
=√36 (36-9)(36-28)(36-35)
=√36*27*8*1
=√7776
=88.2 cm^2
area of the floral design =(16*88.2) cm^2
=1411.2 cm^2
cost of polishing the tiles =$(0.5*1411.2)
=$705.6
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in question marked answer is incorrect
.i. e. $500
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