Question

please help please help ​

Answer 1

omg me not good at subtraction only then how can I do this?

see we all make mistakes or cannot do something so hope yo have a good day and hope you solve yo problem!

Answer 2

Answer:

Given : a triangle sides 55m 60m 65m

Grass Rs 8 per m²

To find : area and cost of laying grass

Formula : in the image uplode and  s = (a+b+c) / 2

calculation : S = 55 + 60 + 65 / 2 = 90

A = √90 ( 90 - 55 ) ( 90-60 ) ( 90 - 65 )

√90 x 35 x 30 x 25

√23,62,500

1,537.04

the cost might be

rs 12,296.3

hope this helps .... sorry for a late reply because i am very slow in calculation and typing