If ∆ABC~∆DEF such that AB=5 cm , area(∆ABC)= 20 cm2 and area (∆ABC)=20 cm2 area (∆DEF)= 45 cm2 , determine DE.

If $∆ A B C ~ ∆ D E F$ such that AB=5 cm , area( $∆ A B C$ )= 20 $c m^{2}$ and area ( $∆ A B C$ )=20 $c {< mi>m}^{2}$ area ( $∆ D E F$ )= 45 $c m^{2}$ , determine DE.

Mixed-up sentence exercise

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If ∆ABC~∆DEF such that AB=5 cm , area(∆ABC)= 20 cm2 and area (∆ABC)=20 c< mi>m2 area (∆DEF)= 45 cm2 , determine DE.

Mixed-up sentence exercise

If $∆ A B C ~ ∆ D E F$ such that AB=5 cm , area( $∆ A B C$ )= 20 $c m^{2}$ and area ( $∆ A B C$ )=20 $c {< mi>m}^{2}$ area ( $∆ D E F$ )= 45 $c m^{2}$ , determine DE.