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beks73 [17]
3 years ago
10

BRAINLIEST!!! (Please help)

Mathematics
1 answer:
IrinaK [193]3 years ago
8 0

Answer:

A

Step-by-step explanation:

- to find x we use tan 60 = x/7

- rearrange, tan60*7 = x, x = 7\sqrt{3}

- now you have two sides so you can use pythagoras  to find z

y^2 + x^2 = z^2

z = \sqrt{(7\sqrt{3})^2 + (7)^2 }

z = 14

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