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Geometry Practice Test Flashcards

6 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 6 Geometry Practice Test flashcards as text

  1. A triangle has angles measuring 47°, 68°, and x°. What is the value of x?

    Answer: 65°

    47 + 68 + x = 180 → 115 + x = 180 → x = 65°.

  2. Two parallel lines are cut by a transversal. One angle measures 73°. What is the measure of its co-interior (same-side interior) angle?

    Answer: 107°

    Co-interior angles are supplementary: 73° + x = 180° → x = 107°.

  3. A rectangle has a diagonal of 13 cm and a width of 5 cm. What is the length of the rectangle?

    Answer: 12 cm

    5² + l² = 13² → 25 + l² = 169 → l² = 144 → l = 12 cm.

  4. What is the area of a trapezoid with parallel bases of 8 cm and 14 cm and a height of 6 cm?

    Answer: 66 cm²

    A = ½ × (8 + 14) × 6 = ½ × 22 × 6 = 66 cm².

  5. Circle O has a radius of 9 cm. What is the length of an arc that subtends a central angle of 80°?

    Answer: 4π cm

    Arc length = (80/360) × 2π(9) = (2/9) × 18π = 4π cm.

  6. Triangle ABC is similar to triangle DEF. If AB = 6, BC = 9, and DE = 10, what is the length of EF?

    Answer: 15

    Scale factor: DE/AB = 10/6 = 5/3. EF corresponds to BC: EF = BC × (5/3) = 9 × (5/3) = 15.