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Lapatulllka [165]
3 years ago
11

Helppppppppppp please and expalin if you can

Mathematics
1 answer:
Klio2033 [76]3 years ago
8 0

The angle subtended by a diameter is always right.  That's Thales' Theorem, one of the first in geometry.  We conclude y=90°.

The angle subtended by an arc is half the arc length, so z=50°.

The angles in a triangle add to 180°, so x = 180° - y - z = 40°.

Answer: x=40°, y=90°, z=50°

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