Question

BRAINLIEST !!!! BRAINLIEST !!!!​

Answer 1

$\red{\boxed{Formula}$

$\Rightarrow$ Area = l × b

$\Rightarrow</em><em>[</em><em>/</em><em>tex</em><em>]</em><em> </em><em>Vol</em><em>ume</em><em> </em><em>=</em><em> </em><em>Area</em><em> </em><em>×</em><em> </em><em>hei</em><em>ght</em></p><p></p><p>[tex] Given\: that\: the \:river\:is\:2m\:deep\:and\: 45m\: wide$

$Area\: of\: river\:$

$\Rightarrow$ length × breadth 2m × 45m = 90m²

Speed = $3kmh_{-1}$ = $50m min_{-1}$

Speed of the river with the area =

$\Rightarrow$ speed × Area = (90 × 50)

= 4500m³/min.

Answer 2

red{\boxed{Formula}

\Rightarrow⇒ Area = l × b

\Rightarrow[/tex] Volume = Area × height $Given\: that\: the \:river\:is\:2m\:deep\:and\: 45m\: wide⇒$Volume=Area×height[tex]Giventhattheriveris2mdeepand45mwide

Area\: of\: river\:Areaofriver

\Rightarrow⇒ length × breadth 2m × 45m = 90m²

Speed = 3kmh_{-1}3kmh

−1

= 50m min_{-1}50mmin

−1

Speed of the river with the area =

\Rightarrow⇒ speed × Area = (90 × 50)

= 4500m³/min.