Question

find the lettered angles ​

Answer 1

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The value of :

x = 180 - 60 - 90

x = 30°

y = 180 - 40 - 90

y = 50°.

Answer 2

Answer:

x=30°

y=50°

Step-by-step explanation:

in triangle ADC,

40°+90°+y=180°

y=180°-130°=50°

in triangle ADB

60°+90°+x=180°

x=180°-150°=30°