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Math Flashcards

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

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  1. A right triangle has legs of length 6 and 8. What is the length of the hypotenuse?

    Answer: 10

    By the Pythagorean theorem, c = √(6² + 8²) = √100 = 10.

  2. A circle has a radius of 7. What is its area?

    Answer: 49π

    Area = πr² = π(7²) = 49π.

  3. What is the distance between points (−1, 2) and (3, 5)?

    Answer: 5

    Distance = √[(3 − (−1))² + (5 − 2)²] = √(16 + 9) = √25 = 5.

  4. In a right triangle, sin(θ) = 3/5. What is cos(θ)?

    Answer: 4/5

    Using sin²θ + cos²θ = 1 gives cos(θ) = √(1 − 9/25) = √(16/25) = 4/5.

  5. A rectangular prism has length 5, width 4, and height 3. What is its volume?

    Answer: 60

    Volume = l × w × h = 5 × 4 × 3 = 60.

  6. Two parallel lines are cut by a transversal. One angle measures 65°. What is the measure of the co-interior (same-side interior) angle?

    Answer: 115°

    Co-interior angles between parallel lines are supplementary, so 180° − 65° = 115°.

  7. A cylinder has radius 3 and height 4. What is its volume?

    Answer: 36π

    Volume = πr²h = π(3²)(4) = 36π.

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