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mylen [45]
3 years ago
15

Identify Y, inscribed angels

Mathematics
1 answer:
lukranit [14]3 years ago
6 0

Answer:

  y = 2

Step-by-step explanation:

PQ is a diameter, so arc PQ has a central angle of 180°. Inscribed angle PRQ has a measure half that, or 90°. (An inscribed triangle with one side a diameter is a right triangle.)

Then you can write ...

  53y -16 = 90

  53y = 106 . . . . . add 16

  y = 106/53 = 2 . . . . divide by the coefficient of y

y = 2

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Jordan measures the side lengths of a triangular piece of sheet metal. The side lengths are 156 cm, 133cm, and 205 cm. Verify th
Alexxx [7]

Answer:

see the explanation

Step-by-step explanation:

we know that

If the triangular piece of sheet metal is a right triangle, then the side lengths must satisfy the Pythagorean Theorem

so

c^2=a^2+b^2

where

c is the hypotenuse (the greater side)

a and b are the legs of triangle

we have

c=205\ cm\\a=156\ cm\\b=133\ cm

substitute

205^2=156^2+133^2

42,025=24,336+17,689

42,025=42,025 ----> is true

so

The side lengths satisfy the Pythagorean Theorem

therefore

The triangular piece of sheet metal is a right triangle

8 0
3 years ago
Can someone help me with this ?!
vladimir1956 [14]

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KATRIN_1 [288]

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4 years ago
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Answer:

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