Line su bisects angle rst. which statement is not true?
a) ∠rst = ∠rsu
b) ∠rsu = ∠ust
c) ∠squ = ∠spu
d) ps = qs

Answer : The incorrect option is, (A) ∠RST = ∠RSU

Step-by-step explanation :

As we are given that, line SU bisects angle RST and SPUQ is a rhombus.

First we have to determine that ΔSQU and ΔSPU are congruent triangles.

Proof:

Side SU = Side SU (common side)

∠SQU = ∠SPU (In rhombus opposite angle are always equal)

∠RSU = ∠UST (angle bisector)

ΔSQU ≅ ΔSPU (By ASA congruency)

So, Side PS = Side QS

∠RST = ∠RSU this option is wrong because

Thus, the incorrect option is, (A) ∠RST = ∠RSU

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step-by-step explanation:

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