Which additional fact proves that δrst and δwxy are congruent if ∠r ≅ ∠w and rs ≅ wx. ∠r = 2x + 3 ∠s = x + 10 ∠t = 3x - 13 a) ∠x = x + 33 b) ∠y = x + 33 c) ∠x = 2x - 20 d) ∠y = 2x - 20

C)

Step-by-step explanation:

We are given that

We have to find the additional fact which proves that triangle RST and triangle WXY are congruent.

In triangle RST

(Triangle angles sum property)

Substitute the values then we get

When two triangles are congruent then each part of one triangle is congruent to its corresponding parts of another triangle.

Therefore, if

Then,

Therefore,

Hence, option C is correct.

b

step-by-step explanation:

b

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