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    Two triangles: The lengths of the sides opposite the angles.

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    In this question ABC and PQR are two triangles, and the lengths of the sides opposite the angles A,B,C P, Q, R are a,b,c,p,q,r, respectively.

    Choose the THREE false statements.


    A. If angle A= angle Q and angle B= angle P. then it must follow that c b
    --- = --
    r p

    B. If a b , then it must follow that angle C =
    -- = --
    p q
    angle R.

    C. If a b c , then triangles ABC and PQR must
    -- = -- = --
    p q r

    be similar.

    D. If triangles ABC and PQR are similar and a q ,
    -- = --
    b r
    then c p
    -- =--
    a q

    E. If the angles A,B and C are measured in radians then A+B+C= 2pi

    F. If angle Q= 90 degress, then cos P = p

    G p sin R = r sin P

    H b= / a^2+ c^2 -2 ac cos B

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    Solution Preview

    B, E, and F are False.

    B: If a/p = b/q, it does not mean that the two ...

    Solution Summary

    A problem about triangles, angles and sides is solved. Choices are explained.