a = 8

b = 15

c = 17

height = 20

perimeter = 8 + 15 + 17

perimeter = 40

lateral surface area = 40 * 20

lateral surface area = 800

area = 800

total surface area = ( 40 * 20 ) + 2 * 800

total surface area = 2400

where,

lsa = lateral surface area

tsa = total surface area

p = perimeter

h = height

a = a

b = b

c = c

A = area

V = volume

base = base

th = height of triangle