The base of a right prism is an equilateral triangle of side 5 cm. Height of prism is 14 cm. Find lateral surface area.
Show answer & explanation
Correct answer: A
Explanation
Side of the equilateral triangle = 5 cm
Height of the prism = 14 cm
Lateral Surface Area = Perimeter of the base × Height
Perimeter = 3 × 5 = 15
LSA = 15 × 14 = 210 cm²