Question

the SI unit of density​

Answer 1

Answer:

I hope it is useful to you

Answer 2

Answer:

speed, velocity meter per second m/s

acceleration meter per second squared m/s2

wave number reciprocal meter m-1

mass density kilogram per cubic meter

Explanation:

Area of wall excluding door = Area of wall including door - Area of rectangular door

\red {=》}=》 16.2 m² - 2 m²

\red {=》}=》 14.2 m²

\huge {\underline {\underline {Given,}}}

Given,

The rate of white washing of 1 m² the wall = 20

The rate of white washing 14.2 m² the wall = 20 × 14.2

\red {===》}===》 284

\huge\green{\underline {\underline{\mathtt {Final\: Answer}}}}

FinalAnswer