3 years ago

IM STUCK PLEASE HELP

Mathematics

1 answer:

Artyom0805 [142]3 years ago

4 0

Answer:B

Step-by-step explanation:

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3 years ago

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Lorico [155]

Answer:

70.52 degrees

Step-by-step explanation:

To find the angles, we must first find the lengths of each side of the triangle. Adding up the respective radii, we can see that

XY = 5+4 = 9 CM

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Now we can apply the cosine rule

$C\:=\:\sqrt{A^2+B^2-2ABcosx}$

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