Question

anyone solve question number 8 pls solve this this is imp

Answer 1

the answer is rs 70,272.

Answer 2

By the héron's formula
√s(s-a) (s-b) (s-c)
s = a+b+c/2
s = 9+28+35/2
s = 54.5 cm.
Now,
√54.5(54.5 - 9) (54.5 - 28) ( 54.5 - 35)
√ 1281410.81
= 1131.91 cm^2
The total no of tiles = 16
16 * 1131.91
11810.56 cm^2.
Total rate of polishing
= 50*11810.56
= 905528 Rs.