The Base perimeter of a square pyramid is 48cm and its slant height is 10cm find its LSA and VOLUME ?
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Answer;
volume of square pyramid =V =7680
LSA(Lateral Surface Area) =AL = 2496
Step-by-step explanation:
Base = a = 48cm
height = h = 10cm
VOLUME
volume of square pyramid =V=(a^2)h/3
volume of square pyramid =V=(48^2)(10)/3
volume of square pyramid=V=(2304)(10)/3
volume of square pyramid =V=(23040)/3
volume of square pyramid =V=7680
LSA(Lateral Surface Area)
LSA = a√(a^2+4h^2)
= (48)√(48)^2+4(10)^2)
= (48)√2304+4(100))
= (48)√2304+4(100))
= (48)√(2304+400)
= (48)√(2704)
= (48)√(2704)
= (48)(52)
LSA = 2496
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