This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.
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Here are the solutions to the questions: Question 20: What is the size of the angle representing spaghetti? Step 1: The sum of angles in a circle is 360^. Step 2: The given angles are for Indomie (236^) and Rice (24^). Step 3: Calculate the sum of the known angles. 236^ + 24^ = 260^ Step 4: Subtract this sum from 360^ to find the angle for Spaghetti. 360^ - 260^ = 100^ The angle representing spaghetti is 100^. The correct option is (a). a) 100 Question 21: How many pupils ate rice? Step 1: The total number of pupils is 450. Step 2: The angle representing Rice is 24^. Step 3: Calculate the fraction of the circle that represents rice. (24^)/(360^) = (1)/(15) Step 4: Multiply this fraction by the total number of pupils to find the number of pupils who ate rice. (1)/(15) × 450 = 30 The number of pupils who ate rice is 30. The correct option is (d). d) 30 Question 22: What is the name of the above diagram? Step 1: The diagram is a circular graph divided into sectors, where each sector represents a proportion of the whole. Step 2: This type of diagram is commonly known as a pie chart. The correct option is (c). c) pie-chart Send me the next one 📸