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Geometry Flashcards

7 cards from real PARCC 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. A line segment has endpoints at (2, 3) and (8, 11). What are the coordinates of its midpoint?

    Answer: (5, 7)

    The midpoint is ((2+8)/2, (3+11)/2) = (5, 7).

  2. What is the distance between the points (0, 0) and (6, 8)?

    Answer: 10

    Distance = √(6² + 8²) = √100 = 10.

  3. In a circle, an inscribed angle subtends an arc of 80°. What is the measure of the inscribed angle?

    Answer: 40°

    An inscribed angle equals half of its intercepted arc, so 80° ÷ 2 = 40°.

  4. A cylinder has a radius of 3 and a height of 10. What is its volume? (Use π ≈ 3.14)

    Answer: 282.6

    Volume = πr²h = 3.14 × 9 × 10 = 282.6.

  5. Two parallel lines are cut by a transversal. If one alternate interior angle is 65°, what is the other alternate interior angle?

    Answer: 65°

    Alternate interior angles are congruent when lines are parallel.

  6. What is the equation of a line with slope 2 passing through the point (0, 3)?

    Answer: y = 2x + 3

    Using slope-intercept form y = mx + b with m = 2 and b = 3 gives y = 2x + 3.

  7. An equilateral triangle has all sides equal to 6. What is its perimeter?

    Answer: 18

    Perimeter = 3 × 6 = 18.