2 years ago

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

Mathematics

1 answer:

Inga [223]2 years ago

4 0

Answer:

x = 18°, y = 167°

Step-by-step 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°

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