Q19. Find the area of the card board used to make a closed box of dime

1.	Q19. Find the area of the card board used to make a closed box of dimensions cm x 2 cm x 3 cm.
Answer» Total Surface area of a cuboid is GIVEN by T.S.A=2(lb+bh+hl) where l,B,h are dimensions of cuboid. Given l=12 cm,b=10 cm,h=8 cm T.S.A=2((12)(10)+(10)(8)+(8)(12)) =2(120+80+96) 2(296)=592 cm2 Area of cardboard required to prepare a closed BOX of given dimensions =592 cm2 ☆I HOPE IT IS HELPFUL!☆

Q19. Find the area of the card board used to make a closed box of dimensions cm x 2 cm x 3 cm.

Answer»

Total Surface area of a cuboid is GIVEN by T.S.A=2(lb+bh+hl) where l,B,h are dimensions of cuboid.

Given l=12 cm,b=10 cm,h=8 cm

T.S.A=2((12)(10)+(10)(8)+(8)(12))

=2(120+80+96)

2(296)=592 cm2

Area of cardboard required to prepare a closed BOX of given dimensions =592 cm2