Question

Math
Q3. Ten tin boxes of dimensions 16 cm x 8cm x 5cm are to be
made. Find the area of the tin sheet required to make
the boxes​

Answer 1

Answer:

640.

Step by step explanation:

Dimensions are 16 cm, 8 cm and 5 am.

Now multiply these that is (16×8×5) cm.

Then the answer will be = 640

Answer 2

Answer:

Dimension of boxes are(16×8×5)cm

Step-by-step explanation:

The area of cuboid = 2( lb+bh+hl )

So ,

$2(16 \times 8 + 8 \times 5 + 5 \times 16) \\ \\ = 2(128 + 40 + 80) \\ \\ = 2 \times 248 \\ \\ = 496 {cm}^{2}$

The tin sheet required for making ten tin boxes=

$(496 \times 10) = 4960 {cm}^{2}$