13-11-2020
Mathematics

contestada

What is the value of y?

39
34
16
20

one of those number is the answer

What is the value of y 39 34 16 20 one of those number is the answer class=

Respuesta :

13-11-2020

Answer:

20

Step-by-step explanation:

we see here that angle RPN is 180 degrees. SPM is 90 degrees so

angle RPS + angle SPM + angle MPN = 180 degrees

(4y - 10) + 90 + y = 180

(4y - 10) + y = 90

5y - 10 = 90

5y = 100

y = 20

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