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Trig

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If it helps the answer according to this ACT compass sample test questions print out is 6.93.
How to solve it is the question ...
C is a 90 degree angle.
AB is 8 and the hypotenuse.
AC is the base .... we don't know it's length.

It's on page 14 if you google this -
2014 ACT In the right triangle shown below, the length of AB is 8 units

  • Trig -

    recall your basic trig definitions, and draw a diagram. You will see that

    BC/8 = sin 60°
    BC/8 = 0.866
    BC = 6.93

    If this gave you difficulties, you have some serious reviewing ahead.

  • Trig -

    Dude,
    throw me a bone ....? I'm try'n to learn.

    I see that A sin 60 degrees is equal to BC/8 (8 = the hypotenuse).
    C is a right angle.
    BC is the height.

    Wait. I think I see it now....?
    Because Sin equals BC(opposite)/H(8)and we know that the result of this equals .866, we can multiply .866 x 8 which will give us 6.928?

  • Trig -

    Dude,
    throw me a bone ....? I'm try'n to learn.

    I see that A sin 60 degrees is equal to BC/8 (8 = the hypotenuse).
    C is a right angle.
    BC is the height.

    Wait. I think I see it now....?
    Because Sin equals BC(opposite)/H(8)and we know that the result of this equals .866, we can multiply .866 x 8 which will give us 6.928?

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