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Geometry and Measurement Flashcards

6 cards from real IBEW practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Geometry and Measurement flashcards as text

  1. Two angles are supplementary. One angle measures 65°. What is the other angle?

    Answer: 115°

    Supplementary angles sum to 180°, so 180° − 65° = 115°.

  2. What is the area of a trapezoid with parallel sides of 8 ft and 12 ft, and a height of 5 ft?

    Answer: 50 sq ft

    Area = ½ × (b₁ + b₂) × h = ½ × (8 + 12) × 5 = ½ × 100 = 50 sq ft.

  3. A scale drawing uses a scale of 1 inch = 4 feet. If a wall is 9 inches on the drawing, how long is the actual wall?

    Answer: 36 ft

    Actual length = 9 inches × 4 ft/inch = 36 ft.

  4. How many square feet are in 1 square yard?

    Answer: 9 sq ft

    1 yard = 3 feet, so 1 sq yd = 3 ft × 3 ft = 9 sq ft.

  5. An angle that measures exactly 90° is called a:

    Answer: Right angle

    A right angle measures exactly 90°, often indicated by a small square symbol in diagrams.

  6. A conduit run goes 15 ft horizontally and 8 ft vertically. What is the straight-line distance of the run?

    Answer: 17 ft

    Straight-line distance = √(15² + 8²) = √(225 + 64) = √289 = 17 ft.