Question

1. Find the lateral surface area and the total surface
area of a cube each of whose edges measures
(a) 7 cm (b) 8 dm 5 cm.​

Answer 1

Answer:

a=7

csa of cube is 4a^

$4 \times 49$

196cm^

a=7cm

tsa of cube is 6a^

$6 \times 49$

294

1dm=10cm

a=50cm

csa of cube=4a^

$4 \times 100$

400cm^