WHAT I KNOW
Directions: Read and analyze the following items and choose the letter of the correct answer.
Write your answer on a separate sheet of paper.
1. Which of the following is a set of all points in a plane that are equidistant from a given point
in the plane?
C. square
A. angle B. circle
D. triangle
2. Which of the following passes through the center of the circle and twice the length of
the radius?
A. arc
B. diameter
C. secant
D. tangent
3. Which of the following is true about the diameter?
1.
II.
III.
It is the longest chord,
It is twice the length of the radius.
It passes through the center of the circle.
A. I only
B. I and II only
C. I, and III only
D. I, ll and !!
4. If AB is a diameter that measures 10 cm, what is the measure of its radius?
10 cm
D. 25 cm
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Answer:
1.B, circle
is the set of all points in a plane that are equidistant from a given point called the center of the circle
2 B,diameter
diameterA line segment that crosses the circle by passing through its center is called a diameter. The diameter is twice the length of the radius.
3,B
4the measure of its radius is half of the diameter. which is 5cm
hope it helps