What is the length of line segment SR?

Step-by-step explanation:

Using Pythagorean theorem.

16^2 + (RT)^2 = 20^2

256 + (RT)^2 = 400

(RT)^2 = 144

RT = 12

Using altitude theorem to find ST:

16/12= 12/ST

16ST = 144

ST = 9

Using Pythagorean theorem again:

12^2 + 9^2 = SR^2

144 + 81 = SR^2

225 = SR^2

SR= 15

Final SR= 15

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

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step-by-step explanation

2r= 2300

r =1150