**Concept: The question tests on basic Geometry**

**Solution:**

By the rule of secants, which intersect internally ∠A0C=1/2(DB+AC)

Arc angle AC = 2 * ∠A0C - DB = (2 * 50) - 40 = 60**Option B**

Modified on: Tue, 12 Oct, 2021 at 2:17 PM

**Concept: The question tests on basic Geometry**

**Solution:**

By the rule of secants, which intersect internally ∠A0C=1/2(DB+AC)

Arc angle AC = 2 * ∠A0C - DB = (2 * 50) - 40 = 60**Option B**

Did you find it helpful? Yes No

Send feedbackSorry we couldn't be helpful. Help us improve this article with your feedback.

Help Desk Software
by Freshdesk