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DSAT Geometry and Trigonometry Flashcards

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

Read the first 6 DSAT Geometry and Trigonometry flashcards as text

  1. A circle has a radius of 7. What is the area of the circle?

    Answer: 49π

    The area of a circle is πr², so with r = 7, the area is π(7²) = 49π.

  2. In a right triangle, the two legs measure 9 and 12. What is the length of the hypotenuse?

    Answer: 15

    Using the Pythagorean theorem: 9² + 12² = 81 + 144 = 225, and √225 = 15.

  3. What is the volume of a rectangular prism with length 5, width 4, and height 3?

    Answer: 60

    Volume of a rectangular prism = length × width × height = 5 × 4 × 3 = 60.

  4. Two parallel lines are cut by a transversal. If one interior angle measures 65°, what is the measure of the co-interior (same-side interior) angle?

    Answer: 115°

    Co-interior angles (same-side interior) are supplementary, so they add up to 180°; 180° − 65° = 115°.

  5. A triangle has angles measuring 45°, 90°, and 45°. If the hypotenuse is 10, what is the length of each leg?

    Answer: 5√2

    In a 45-45-90 triangle, each leg = hypotenuse ÷ √2 = 10 ÷ √2 = 5√2.

  6. What is the circumference of a circle with diameter 10?

    Answer: 10π

    Circumference = πd = π × 10 = 10π.