To add 13% vat we can multiply by (100%+13%) = 113% = 1.13
To remove 13% vat divide by 1.13
339 / 1.13 = 300 the discounted price.
The amount of discount = 400 - 300 = 100
Discount rate = 100 / 400 = 1/4 = 25%
I'm not sure if this is correct,
but, I got:
130cm x 100cm ?
13,000cm ?
Well you can check what type of angle it is! like depending on how it is slouched like a right angle is 90° for example.
Answer:
26.6 meters
Step-by-step explanation:
Tan(x) = 
Tan(28) = 
x = 26.6m