Question

find the lettered angles in fig​

Answer 1

Step-by-step explanation:

In triangle ADB,

Angle ADB=90°..... (given)

Angle ABD=60°......(given)

Angle BAD=30°......(remaining angle of

triangle)

In triangle ADC,

Angle ADC=90°.....(given)

Angle CAD=40°.....(given)

Angle ACD=50°.....(remaining angle of

triangle)

Angle BAD=x=30°

Angle ACD=y=50°