The pie graph shows the distribution of people living in 4 blocks of a building. The number of people living in block A is 45 . Answer the following. 1.How many people live in block D? 2. Which block has the greatest number of residents?How many people live there? 3.Find the total number of people living in the building.
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180 people live in building , Block B has largest number = 60 , 35 people live in Block D
Step-by-step explanation:
Circle has 360° Angle
Block B - 120°
Block C - 80°
Block D - 70°
Block A = ?
A + B + C + D = 360°
=> A + 120 + 80 + 70 = 360°
=> A = 90°
People in Block A = (90 /360) * total people
=> 45 = (1/4) * total People
=> Total People = 180
Block B has largest number = (120/360) * 180 = 60
People in Block D = (70/360) * 180 = 35
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