Geometric Principles Flashcards
7 cards from real BSEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Geometric Principles flashcards as text
A rectangle has a length of 12 inches and a width of 5 inches. What is its perimeter?
Answer: 34 inches
Perimeter of a rectangle = 2(length + width) = 2(12 + 5) = 2(17) = 34 inches.
Which of the following best describes a right angle?
Answer: An angle that measures exactly 90°
A right angle measures exactly 90° and is often marked with a small square in diagrams.
A circle has a diameter of 10 cm. What is its radius?
Answer: 5 cm
The radius is half the diameter, so 10 ÷ 2 = 5 cm.
How many sides does a hexagon have?
Answer: 6
A hexagon has 6 sides; the prefix 'hex' means six.
Two angles are supplementary. One angle measures 65°. What is the measure of the other angle?
Answer: 115°
Supplementary angles add up to 180°, so 180° − 65° = 115°.
What is the area of a triangle with a base of 8 m and a height of 6 m?
Answer: 24 m²
Area of a triangle = ½ × base × height = ½ × 8 × 6 = 24 m².
Which type of triangle has all three sides of different lengths?
Answer: Scalene
A scalene triangle has no equal sides, whereas equilateral has three equal and isosceles has two equal.