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28-02-2021
Mathematics

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find the measure of r and the lenght segement of DE

find the measure of r and the lenght segement of DE class=

Respuesta :

28-02-2021

Answer:

Step-by-step explanation:

Since SR and RT are equal they are opposite equal angles. The sum of angles must be 180.

2(2x+2)+3x+1=180

4x+4+3x+1=180

7x+5=180

7x=175

x=25

R=3x+1

R=3(25)+1

R=76 degrees.

5x-12=3x-4

2x=8

x=4

3x-4 becomes

3(4)-4

DE=8

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