13-11-2020
Mathematics

contestada

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 class=

Respuesta :

mhanifa mhanifa

16-11-2020

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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