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balu736 [363]
3 years ago
5

In ARST, mZR = (5x + 15)", mZS = (6x + 8)°, and mZT = (4x + 7)º. What is the value of x?

Mathematics
1 answer:
Allisa [31]3 years ago
5 0

Answer:

10

Step-by-step explanation:

(5x + 15)° + (6x + 8)° + (4x + 7)° = 180°

15x + 30 = 180 ⇒ <em>x = 10</em>

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