Question

Haider is standing in a building at15m above the sea level. The basement of the building is 5m below the sea level.what is the vertical distance between the point at which haider is standing and basement

Answer 1

$Point \: 'O' \: shows \: sea \:level .$

$Position \: of \: Haider \: standing \: on\:the\\building \: Point (A) = + 15$

$Distance \: of \: sea \: level \: to \: basement \\Point (B)= - 5 \: m$

$\therefore Vertical \:Distance \: between\\the \: point \: at \:which \:Haider \:is \:standing \:and \\basement = OA + OB \\= 15 + 5 \\= 20 \: m$

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