Please show your work.
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0
Answer:
Step-by-step explanation:
the outer angle is equal to the sum of two opposite angles
Answered by
1
Answer:
x = 9
Step-by-step explanation:
x² = (3x + 28) + (x + 17)
x² - 4x - 45 = 0
D = (- 4)² - 4(1)(- 45) = 16 + 180 = 196 = 14²
= 9
< 0 not a solution of a task
x = 9
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