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Geometry Flashcards

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

Read the first 7 Geometry flashcards as text

  1. What is the surface area of a cube with side length 4 cm?

    Answer: 96 cm²

    Surface area of a cube = 6s² = 6 × 16 = 96 cm².

  2. Two supplementary angles are in a ratio of 2:3. What is the measure of the larger angle?

    Answer: 108°

    Supplementary angles sum to 180°; the larger is (3/5) × 180 = 108°.

  3. A line segment has endpoints at (1, 2) and (5, 6). What is its length?

    Answer: 5.66

    Distance = √((5−1)² + (6−2)²) = √(16 + 16) = √32 ≈ 5.66.

  4. Which transformation preserves both shape and size of a figure?

    Answer: Reflection

    A reflection is a rigid transformation (isometry) that preserves shape and size.

  5. The volume of a cylinder with radius 3 in and height 7 in is approximately: (Use π ≈ 3.14)

    Answer: 197.8 in³

    V = πr²h = 3.14 × 3² × 7 = 3.14 × 9 × 7 ≈ 197.8 in³.

  6. Which of the following is NOT a property of a rhombus?

    Answer: All angles are right angles

    A rhombus does not require right angles; a square is the special rhombus with right angles.

  7. If two triangles are similar, their corresponding sides are:

    Answer: Proportional

    Similar triangles have the same shape but not necessarily the same size, so sides are proportional.