Directions: Match each term in column Determination with its definition in column Success to answer the riddle. Then, write the letter of the correct answer on the line above the number.
1. Chord
It is a line segment whose endpoints are two points on a circle.
2. Semi-circle
It is part of the circle that measures exactly 180° or one-half of the circle.
3. Central Angle
An angle whose vertex is the center of the circle.
4. Tangent Line
An angle whose vertex is the center of the circle.
5. Diameter
It is a chord that passes through the center of the circle. Its length is twice the length of a radius.
6. Radius
It is the distance from the center of the circle to its outer rim. It is named using the letter of the center and point on the circle.
7. Secant Line
It is a line in the plane that intersects a circle in exactly two points.
RIDDLE:
"The earth's circumference is around 40.075 kilometers which was measured through its great circles. Great circles are also used in planning routes when travelling. I am one of these great circles that also divides the earth into two halves, the Northern and Southern Hemispheres. I am an imaginary line around the middle of the earth"
Answers & Comments
✏ Mathematics
Directions: Match each term in column Determination with its definition in column Success to answer the riddle. Then, write the letter of the correct answer on the line above the number.
1. Chord
2. Semi-circle
3. Central Angle
4. Tangent Line
5. Diameter
6. Radius
7. Secant Line
RIDDLE:
"The earth's circumference is around 40.075 kilometers which was measured through its great circles. Great circles are also used in planning routes when travelling. I am one of these great circles that also divides the earth into two halves, the Northern and Southern Hemispheres. I am an imaginary line around the middle of the earth"
Who am I?
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