Find the area $A$ of a triangular prism if side $a = 2 cm$ and length $l = 3 cm$ .

Answer

$21.4641 cm^{2}$

Explanation

To find area $A$ use formula:

A = \frac{a ^{2} 3}{2} + 3 a l

After substituting $a = 2 cm$ and $l = 3 cm$ we have:

A = \frac{2 cm ^{2} 3}{2} + 3 \cdot 2 cm \cdot 3 cm

A = \frac{4 cm ^{2} 3}{2} + 3 \cdot 6 cm^{2}

A = \frac{4 3 cm ^{2}}{2} + 18 cm^{2}

A = 23 cm^{2} + 18 cm^{2}

A = 21.4641 cm^{2}

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Find the area A of a triangular prism if side a=2cm and length l=3cm.

21.4641cm2

Find the area $A$ of a triangular prism if side $a = 2 cm$ and length $l = 3 cm$ .

$21.4641 cm^{2}$