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adelina 88 [10]
3 years ago
6

Please Help me! What is the value of y?

Mathematics
1 answer:
eimsori [14]3 years ago
7 0
See the picture with letters attached to better understand the problem

we know that
in the right triangle ABC
AB=BC----------> by angle 45°
AC²=AB²+BC²-----> AC²=(√2)²+(√2)²----> AC²=4-----> AC=2

in the right triangle ACD
tan 60°=y/AC--------> y=AC*tan 60°-----> y=4*tan 60°----> y=4√3

the answer is
y=4√3

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