Find XY Please Help Picture Attched

Mathematics

1 answer:

LUCKY_DIMON [66]3 years ago

8 0

First you'll need to understad what Perpendicular Bisector Theorem is:

The Perpendicular Bisector Theorem states that a point is on the perpendicular bisector of a segment if and only if it is equidistant from the endpoints of the segment.

so X=45 degrees

and Y= 90 degrees

I'm not sure about X

but I hope this helps

From Kenny

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If cos theta=-3/5 in quadrant 2 what is sin theta? A:4/5 B:3/4 C:-3/4 D:-4/5

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Answer: Choice A) 4/5

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Work Shown:

cos^2(theta) + sin^2(theta) = 1
(-3/5)^2 + sin^2(theta) = 1
9/25 + sin^2(theta) = 1
9/25 + sin^2(theta) - 9/25 = 1 - 9/25
sin^2(theta) = 1 - 9/25
sin^2(theta) = 25/25 - 9/25
sin^2(theta) = (25 - 9)/25
sin^2(theta) = 16/25
sqrt[sin^2(theta)] = sqrt[16/25]
sin(theta) = 4/5

The fact that sine is positive in quadrant 2 means that the result is positive.

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3 years ago

Pls help me due soon

KIM [24]

Answer:

I'm pretty sure it b

Step-by-step explanation:

I think its b

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