Question

if perimeter of the base of a cuboid is 14 cm and its height is equal to 10 cm find its LSA​

Answer 1

Answer:

perimeter of rectangle =2( length+breadth)

14cm = 2 ( l+b)

14÷2 = l+b

7cm = l+ b

LSA of cuboid =2( l+b) h

=2 ( 7 ) 10

=140 cm²