IBEW Geometry and Measurement 2

Question 1

How many inches are in 4.5 feet?

Accepted Answer

54 inches

Answer

1 foot = 12 inches, so 4.5 × 12 = 54 inches.

Question 2

What is the area of a circle with a radius of 6 feet? (Use π ≈ 3.14)

Accepted Answer

113.04 sq ft

Answer

Area = π × r² = 3.14 × 6² = 3.14 × 36 = 113.04 sq ft.

Question 3

A rectangle has a length of 12 ft and a width of 5 ft. What is the length of its diagonal?

Accepted Answer

13 ft

Answer

Diagonal = √(12² + 5²) = √(144 + 25) = √169 = 13 ft.

Question 4

What is the surface area of a cube with a side length of 4 feet?

Accepted Answer

96 sq ft

Answer

Surface area of a cube = 6 × side² = 6 × 16 = 96 sq ft.

Question 5

The sum of the interior angles of any triangle always equals:

Accepted Answer

180°

Answer

The three interior angles of any triangle always sum to exactly 180°.

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