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Seatwork On Circles and Its Parts

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SEATWORK for 16 OCTOBER 2019 (Math 10) NAME: ________________________

TOPIC: Circles: Parts and Measures


DIRECTIONS: Answer all that is asked. Use correct symbols and units.

1. Name of the circle. __________________


2. Name all radii. ________________________________
3. Name the diameter. ___________________________
4. Name all the chords. __________________________
5. Name a secant. _______________________________
6. Name all central angle. ________________________
7. Name a tangent line. __________________________
8. Name a radius perpendicular to the tangent line. __________
9. Name all minor arcs. ___________________________
10. Name all major arcs. _________________________
̂ = 25°, what is m∠EIL? __________________
11. If m𝐿𝐸
̂ = 150°, what is m∠EIL? _________________
12. If m 𝐼𝐸
̂ = 135°, what is m∠NGL? _______________
13. If m 𝑁𝐿
̂ = 60°, what is m∠LGN? _________________
14. If m𝑁𝐼
15. If m∠NGL = 130°, what is m𝑁𝐸𝐿 ̂ ? _______________
16. If m∠IGN = 40°, what is m𝑁𝐿𝐸 ̂ ? _________________
17. If m∠EIL = 15°, what is m𝐼𝑁𝐸 ̂ ? _________________
̂ ̂
18. If m∠EIL = 17°, what is m𝐼𝐸 ? ________ 19. If m∠IGN = 2m∠EIL, what is m𝑁𝐿 if m∠EIL= 16°? _______
̂ = 140° and it is one-half m∠IGN? __________
20. What is m∠EIL if m𝑁𝐿 So what is m𝐿𝐸 ̂ ? __________

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SEATWORK for 16 OCTOBER 2019 (Math 10) NAME: ________________________

TOPIC: Circles: Parts and Measures


DIRECTIONS: Answer all that is asked. Use correct symbols and units.

1. Name of the circle. __________________


2. Name all radii. ________________________________
3. Name the diameter. ___________________________
4. Name all the chords. __________________________
5. Name a secant. _______________________________
6. Name all central angle. ________________________
7. Name a tangent line. __________________________
8. Name a radius perpendicular to the tangent line. __________
9. Name all minor arcs. ___________________________
10. Name all major arcs. _________________________
̂ = 25°, what is m∠EIL? __________________
11. If m𝐿𝐸
̂ = 150°, what is m∠EIL? _________________
12. If m 𝐼𝐸
̂ = 135°, what is m∠NGL? _______________
13. If m 𝑁𝐿
̂ = 60°, what is m∠LGN? _________________
14. If m𝑁𝐼
15. If m∠NGL = 130°, what is m𝑁𝐸𝐿 ̂ ? _______________
16. If m∠IGN = 40°, what is m𝑁𝐿𝐸 ̂ ? _________________
17. If m∠EIL = 15°, what is m𝐼𝑁𝐸 ̂ ? _________________
̂ ̂
18. If m∠EIL = 17°, what is m𝐼𝐸 ? ________ 19. If m∠IGN = 2m∠EIL, what is m𝑁𝐿 if m∠EIL= 16°? _______
̂ = 140° and it is one-half m∠IGN? __________
20. What is m∠EIL if m𝑁𝐿 So what is m𝐿𝐸 ̂ ? __________

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