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Mathematics - Measurement and 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 Mathematics - Measurement and Geometry flashcards as text

  1. What is the area of a triangle with a base of 14 cm and a height of 9 cm?

    Answer: 63 square cm

    Area of a triangle = ½ × base × height = ½ × 14 × 9 = 63 square cm.

  2. Two triangles are similar. The sides of the smaller triangle are 3, 4, and 5. If the longest side of the larger triangle is 15, what is the scale factor?

    Answer: 3

    The scale factor is 15 ÷ 5 = 3, meaning each side of the larger triangle is 3 times the corresponding side of the smaller triangle.

  3. A point is located at (3, -4) on a coordinate plane. In which quadrant does this point lie?

    Answer: Quadrant IV

    Quadrant IV contains points where x is positive and y is negative, which matches (3, -4).

  4. A figure is reflected across the y-axis. If the original point was at (5, 2), where is the reflected point?

    Answer: (-5, 2)

    Reflecting across the y-axis negates the x-coordinate while keeping the y-coordinate the same, giving (-5, 2).

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

    Answer: 115°

    Co-interior angles (also called consecutive interior angles) are supplementary and sum to 180°, so 180° − 65° = 115°.

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

    Answer: 96 square cm

    A cube has 6 faces; each face has area 4² = 16 cm², so total surface area = 6 × 16 = 96 square cm.

  7. Angle A and Angle B are vertical angles. If Angle A measures 72°, what is the measure of Angle B?

    Answer: 72°

    Vertical angles are always congruent (equal in measure), so Angle B = 72°.