BSEP Geometric Principles 4

Question 1

What is the sum of interior angles of any triangle?

Accepted Answer

180°

Answer

The three interior angles of any triangle always add up to exactly 180°.

Question 2

A point, a line segment, and a ray all differ. Which one extends infinitely in both directions?

Accepted Answer

A line

Answer

A line extends infinitely in both directions, while a ray extends in only one direction and a segment has two endpoints.

Question 3

What is the area of a circle with a diameter of 6 cm? (Use π ≈ 3.14)

Accepted Answer

28.26 cm²

Answer

Radius = 3 cm; Area = πr² = 3.14 × 3² = 3.14 × 9 = 28.26 cm².

Question 4

Two angles are complementary. One measures 32°. What is the other?

Accepted Answer

58°

Answer

Complementary angles sum to 90°, so 90° − 32° = 58°.

Question 5

A cube has a side length of 5 cm. What is its volume?

Accepted Answer

125 cm³

Answer

Volume of a cube = side³ = 5³ = 125 cm³.

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