3 years ago

Does anyone know this?

Mathematics

2 answers:

Aneli [31]3 years ago

8 0

Answer:

I am pretty sure its 45 degrees

Step-by-step explanation:

Studentka2010 [4]3 years ago

8 0

Answer:

a = 4.57

Step-by-step explanation:

XM is tangent and XZ is secants: XM² = XY * XZ

9² = 7 * (7+a)

81 = 49 + 7a

7a = 81-49 = 32

a = 32/7 = 4.57

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