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Geometry Flashcards

7 cards from real Geometry 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. Two triangles that have the same shape but different sizes are called what?

    Answer: Similar

    Similar triangles have equal angles and proportional sides but may differ in size.

  2. What is the measure of each angle in an equilateral triangle?

    Answer: 60°

    An equilateral triangle has three equal angles summing to 180°, so each is 60°.

  3. The circumference of a circle with diameter 10 is closest to which value?

    Answer: 31.4

    Circumference = πd = π(10) ≈ 31.4.

  4. A trapezoid has parallel sides of 8 and 12 and a height of 5. What is its area?

    Answer: 50

    Area = ½(b₁ + b₂)·h = ½(8 + 12)(5) = 50.

  5. What do you call a triangle with all sides of different lengths?

    Answer: Scalene

    A scalene triangle has three sides of different lengths.

  6. Vertical angles formed by two intersecting lines are always what?

    Answer: Equal

    Vertical angles are always congruent (equal in measure).

  7. What is the area of a triangle with base 10 and height 6?

    Answer: 30

    Area = ½·base·height = ½(10)(6) = 30.