hey
Lv 6
hey 發問於 科學及數學數學 · 1 十年 前

中一英數[急](15點)1題

How many degree are there in

(a)half of a complete turn?

(b)one-fifth of a straight angle?

show your work plz ~thx a lot~

3 個解答

評分
  • 1 十年 前
    最佳解答

    (a)The no. of degree in half of a complete turn:

    360°× 1/2

    =180°

    ∴The no. of degree in half of a complete is 180°

    (b)The no. of degree in one-fifth of a straight angle:

    180° × 1/5

    =36°

    ∴The no. of degree in one-fifth of a straight angle is 36°

    資料來源: myself
  • 1 十年 前

    (a)360 x 1/2 = 180

    (b)180 x 1/5 = 36

    資料來源:
  • 1 十年 前

    (a)360/2

    =180

    (b)180*1/5

    =36

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