Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a circle?
💡 Hint: Think about the definition involving distance.
Question 2
Easy
How many points does a tangent touch on a circle?
💡 Hint: Recall the special relationship of tangents.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
How many tangents can a circle have from an external point?
- 1
- 2
- 0
💡 Hint: Think about the positioning relative to the circle.
Question 2
A line intersects a circle at two points. What is the name of this line?
- Tangent
- Secant
- Chord
💡 Hint: Consider what happens when a line splashes through a circle.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Prove that the line segment joining the center of a circle and the point of contact of a tangent is perpendicular to the tangent.
💡 Hint: Think about the relationship between the triangle's angles.
Question 2
Two tangents are drawn from a point T to a circle with center O. If the angle ∠POQ is 60°, find ∠PTQ.
💡 Hint: Look for properties related to angles in isosceles triangles.
Challenge and get performance evaluation