Education

7th

grade

Image

國中數學三上1-3

1
play

10 questions

Show Answers
See Preview
  • 1. Multiple Choice
    1 minute
    1 pt
    Image
    如圖
    甲、乙的面積比為2:1
    甲、乙的周長比為2:1
    甲、乙的對角線長度比為2:1
    甲圖為乙圖的2倍縮放圖
  • 2. Multiple Choice
    1 minute
    1 pt
    Image
    如圖

    Image

    如圖

    Image

    如圖

    縮放後,∠A-∠C=20°
    縮放後,周長不變
  • 3. Multiple Choice
    1 minute
    1 pt
    已知四邊形ABCD~四邊形EFGH,其中∠A、∠B、∠C、∠D的對應角分別是∠E、∠F、∠G、∠H,且∠A:∠B:∠C=2:1:4,∠C:∠D=2:1,則∠D-∠E=?_x000B_
    80°
    40°
    20°
  • Answer choices
    Tags
    Answer choices
    Tags

    Explore all questions with a free account

    Already have an account?