two cubes, each of side 15 cm are joined end to end.find the surface areaof the resulting cuboid
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let the side each cube = a= 15 cm
after joining the two cubes it becomes cuboid
dimensions of cuboid is
length = a+a = 15+15 = 30 cm
breadth = b= 15 cm
height = h= 15 cm
total surface area = 2(lb+bh+lh)
= 2(30*15 + 15*15+30*15)
= 2(450+225+450)
=2*1125
=2250 square cm
after joining the two cubes it becomes cuboid
dimensions of cuboid is
length = a+a = 15+15 = 30 cm
breadth = b= 15 cm
height = h= 15 cm
total surface area = 2(lb+bh+lh)
= 2(30*15 + 15*15+30*15)
= 2(450+225+450)
=2*1125
=2250 square cm
aman912072:
thanks
Answered by
127
Hope it helps!!!!!
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