Question 55
EasyOriginal questionAB is a diameter of a circle and C is another point on the circle. If , what is ?
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
The angle in a semicircle is a right angle, so .
.
Worth noting
146° is , forgetting the right angle at C.
- Concept
- Angle in a semicircle is 90°
- Typical timeTypical
- 40 s
- Your timeYours
- —
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