Explanation

A cuboid has 8 vertices, where three edges meet at each corner.

It also has 6 faces and 12 edges, forming a 3D rectangular box shape.

Explanation

Given log₁₂(12³) = x:

Using logarithm properties, logₐ(aⁿ) = n:

x = 3

Explanation

To find the area of the strip:

1. Calculate the area of the larger rectangle (including the strip):

New length = 82 + 2_4 = 90 cm

New width = 75 + 2_4 = 83 cm

Area of larger rectangle = 90 * 83 = 7470 cm²

2. Calculate the area of the original rectangle:

Area = 82 * 75 = 6150 cm²

3. Find the area of the strip:

Area of strip = Area of larger rectangle - Area of original rectangle

= 7470 - 6150

= 1320 cm²

Explanation

The perimeter of a rectangle is the total distance around it.

Formula: Perimeter = 2 × (Length + Width).

Explanation

A protractor allows you to measure and draw exact angles like 72° directly.

A compass alone cannot construct 72° easily without complex geometric steps, so it’s not practical for this angle.