GRADE-10 MATH 2nd SUMMATIVE TEST 2nd QUARTER

1. Which is the largest chord of a circle?

• A. diameter

• B. radius

• C. secant

• D. tangent

2. A line segment from any point on the circle to its center  

• A. diameter

• B. radius

• C. secant

• D. tangent

3. A line that intersects the circle at exactly one point.

• A. tangent

• B. secant

• C. radius

• D. chord

4.𝐴𝐶̅̅̅̅ is a diameter of circle O. 𝐴𝐵𝐶 ̂is called _______?

• A. chord    

• B. major arc

• C. minor arc

• D. semicircle

5. What kind of arc is 𝐴𝐶𝐵 ̂?

• A. chord    

• B. major arc

• C. minor arc

• D. semicircle

6. If 𝐵𝐶̂ measures 135⁰, then the measure of 𝐴𝐵̂ is ______.

• A. 65⁰ 

• B. 55⁰

• C. 45⁰

• D. 35⁰

7. What is the arc intercepted by ∠AOD?

• A. arc 𝐴𝑂̂  

• B. arc 𝐴𝐷̂

• C. arc 𝑂𝐷̂

• D. arc 𝐴𝑂𝐷 ̂

8.   If ∠AOD = 120⁰, then 𝐴𝐷̂ measures _____.

• A. 120⁰      

• B. 100⁰      

• C. 80⁰

• D. 60⁰

9. The measure of 𝐶𝐷̂ is 72⁰, what is the measure of ∠CAD?

• A. 144⁰

• B. 72⁰

• C. 36⁰

• D. 18⁰

10. If the m𝐴𝐵̂ = 128⁰, then the measure of ∠ACB is _____.

• A. 52⁰

•     B. 64⁰

• C. 90⁰

• D. 128⁰