4.
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Answer:
Height of the triangular face of the box is 12 cm.
Step-by-step explanation:
This question is not complete; please find the question as the attachment.
Volume of a triangular prism = Area of the triangular base × height
It's given in the question, Volume of the prism = 3240 cm³
Height of the prism = 30 cm
By substituting these values in the formula,
3240 = B × 30
B =
B = 108 cm²
Area of the triangular face (B) =
108 =
108 = 9h
h = 12 cm
Therefore, height of the triangular face of the prism is 12 cm.
