Answer:
hope it helps
Step-by-step explanation:
(i) ∠ACB=∠ADB (Angles in the same segment of a circle)
But ∠ADB=x
o
⇒∠ABC=x
Now in ΔABC
∠CAB+∠ABC+∠ACB=180
⇒40
+90
0
+x
=180
(AC is the diameter)
⇒130
⇒x
−130
=50
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Answers & Comments
Answer:
hope it helps
Step-by-step explanation:
(i) ∠ACB=∠ADB (Angles in the same segment of a circle)
But ∠ADB=x
o
⇒∠ABC=x
o
Now in ΔABC
∠CAB+∠ABC+∠ACB=180
o
⇒40
o
+90
0
+x
o
=180
o
(AC is the diameter)
⇒130
o
+x
o
=180
o
⇒x
o
=180
0
−130
o
=50
o