• 2020 December(D03) Math Question 17

    Trigonometry

    - Pythagorean Theorem & sin cos tan

    Pythagorean Theorem and Special Right Triangles
    Choice D

    Step 1: Draw the path on x,y plane

    d03_math_q17a.png!

    Step 2: Use Pythagorean theorem to find the distance between Home and Bakery

    a2+b2=c2a^2+b^2=c^2
    0.32+0.42=c20.3^2+0.4^2=c^2
    ∴c={0.32+0.42}=0.5\therefore c=\sqrt\{0.3^2+0.4^2\}=0.5

    Skills you are tested for:

    Was this explanation helpful?

    • Comments

    To leave a comment,