Question
In a circle AB is diameter and points C and D are on
the circumference such that ∠CAD = 40° and ∠CBA = 60°. What is the value of ∠ACD?Solution
According to figure above, ∠CAD and ∠CBD subtend the same arc DC on the circumference. ⇒∠CAD = ∠CBD = 40° Also, ∠DBA = ∠CBA - ∠CBD = 60 - 40 = 20°. Now ∠DBA and ∠ACD subtend the same arc DA on the circumference of the circle. ⇒∠ACD = ∠DBA = 20°.
Who rose to World No. 2 in live chess ratings after a win at the Chennai Grand Masters 2024?
Which of the following country was not elected for the UN Human Rights Council for the 2022-24 term?
Madhya Pradesh national fruit is?
How much loan amount has been sanctioned by ADB to India for infrastructure projects?Â
What is the primary purpose of the PM KISAN AI-Chatbot (Kisan e-Mitra) launched by Union Minister Kailash Choudhary?
A-HELP programme has been launched in the State of Uttarakhand to strengthen livestock related activities in remote rural areas, keeping in mind their...
Vaishali Ramesh Babu achieved which milestone in her chess career?
In the 2025 State Mining Readiness Index, which three states topped Category A (mineral-rich states)?
Which company, in association with the National Payments Corporation of India (NPCI), has launched India's first-ever UPI ATM as a White Label ATM (WLA)?
In which district of Karnataka is the Bibi Fatima Women’s SHG located?
Relevant for Exams:
