Pie chart: 36 of 120 beetles caught in a pitfall trap are a certain species. What angle represents that species?
Answer and explanation
Correct answer: D. 108°
- Step 1: The fraction is 36/120 = 0.3.
- Step 2: 0.3 × 360° = 108°.
Answer
108°.
Why not the others: 30°: this is the percentage (30%) used as degrees. 36°: this is the number caught. 120°: this is the total number.
Practise more Skills and Applying Knowledge.
Free questions with an explanation for every one, and full timed National 5 (Scotland) mock tests.
More Skills and Applying Knowledge questions
- A scientist records the dry mass of seedlings grown with and without fertiliser. Which is the dependent variable?
- Why is a control experiment included in an investigation?
- Repeating an experiment several times and calculating a mean improves what?
- The table shows the mass of a potato cylinder in different salt solutions. The mass change is +4% at 0.0 M, 0% at 0.2 M, and −6% at 0.4 M. A…
- A cell has a mass of 4 µg and divides by mitosis. Its two daughter cells each have a mass of 2 µg. A new cell grows to a mass of 4 µg before…
- A section of DNA has 30% adenine. What percentage of the bases are guanine?