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Given RS = ST, SRT = 5x - 54, STU = 8x.

 

a. Solve for x.

b. Find STU.

c. Find S.

 

 Mar 26, 2021
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5x - 54 + 8x = 180

13x = 234

x = 18

∠STU = 8 * 18 = 144º

∠S = 180 - 2(∠SRT) = 108º

 Mar 26, 2021

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