3RD QUARTER EXAMINATION IN MATHEMATICS 8

It has no thickness, width, or depth, used to represent a flat surface that extends indefinitely in all directions.

• a. ray
• b. line
• c. plane
• d. point

For this item refer to the image. Are points A and C collinear? Why?

• a. Yes, because they lie on plane K.
• b. Yes, because they lie on one line.
• c. Yes, because they intersect at point C.
• d. Yes, because they pass through plane K.

For this item refer to the image. Which two points lie in plane K?

• a. Points A and B.
• b. Points A and C.
• c. Points B and C.
• d. Points A, B, and C.

For this item refer to the image. How many coplanar points in the figure?

• a. 1
• b. 2
• c. 3
• d. 4

You are outside on a clear night, gazing up at the sky. You notice a bright star shining above you. If you were to describe the star’s location in geometric terms, which concept does it best represent?

• a. Point
• b. Line
• c. Plane
• d. Point and Plane

Emma is cutting a piece of ribbon for her art project. She carefully measures and cuts it at both ends, making sure it has a definite starting and ending point. In geometric terms, what part of a line does the ribbon represent?

• a. Line
• b. Ray
• c. Segment
• d. Point

James is setting up a row of candles on a straight wooden plank for a birthday surprise. He carefully places three candles in a straight line along the plank. In geometric terms, how can the position of these candles be described?

• a. Concentric points
• b. Collinear points
• c. Parallel points
• d. Intersecting points

Why is it important to understand the concept of collinear points in real-life applications, such as construction, design, or navigation?

• a. It helps in ensuring objects are aligned properly in a straight line.
• b. It allows objects to be placed randomly without any pattern.
• c. It ensures that objects are positioned at different angles.
• d. It prevents objects from being arranged in a straight formation.

For this item refer to the figure. What is the other name of 1?

• a. ∠ABC
• b. ∠ACB
• c. ∠BCA
• d. ∠CAB

For this item refer to the figure. What is the distance between points A and C?

• a. 4
• b. 5
• c. 6
• d. 8