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9 Find the values of r and y. с A 95° B 4x ro D E
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3 votes
9

Find the values of r and y.
с
A
95°
B
4x
ro
D
E

9 Find the values of r and y. с A 95° B 4x ro D E-example-1
User Justin Holman
by
4.2k points

1 Answer

3 votes

Answer:

  • x = 18°, y = 167°

Explanation:

In right triangle sum of two angles is 90°

  • 4x + x = 90°
  • 5x = 90°
  • x = 90°/5
  • x = 18°

Angle y is exterior angle and equals non-adjacent interior angles

  • y = 4x + 95° =
  • 4*18° + 95° =
  • 72° + 95° =
  • 167°
User BerggreenDK
by
4.4k points
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