A cuboid is 3M long. After sawing it into three sections, the surface area increases by 36 square meters. The volume of the original cuboid is

A cuboid is 3M long. After sawing it into three sections, the surface area increases by 36 square meters. The volume of the original cuboid is

When sawing into 3 sections, the number of additional cross sections is
(3-1) × 2 = 4
What is the cross-sectional area
36 △ 4 = 9 square meters
The original cuboid volume is
9 × 3 = 27 M3

A cuboid wood is 3 meters long. Now, after sawing the wood into 4 sections, the surface area increases by 48 square decimeters. The volume of the cuboid wood is 3 meters______ Cubic decimeter

3 meters = 30 decimeters, 48 △ 6 × 30, = 8 × 30, = 240 (cubic decimeters). Answer: the volume of this wood is 240 cubic decimeters

With 16 sides are 1 cm square spell rectangle or square, the shortest circumference is______ Cm

The shortest circumference of a square is 4 × 4 = 16 (CM). Answer: the shortest circumference is 16 cm. So the answer is: 16

Six squares with 1cm sides are put together to form a rectangle. The circumference of the rectangle may be () cm or () cm

10 or 14