Answer:
The lateral surface area is 420 cm²
Step-by-step explanation:
[tex]A_{L}[/tex] = (a+b+c)h Use the equation for Lateral Surface Area of a triangular prism
[tex]A_{L}[/tex] = (10 + 10 + 10)14 Fill in the sides lengths
[tex]A_{L}[/tex] = (30)14 Multiply
[tex]A_{L}[/tex] = 420 cm²
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