Answer:
(b) 360 degrees
Step-by-step explanation:
Required
The central angle
The central 
of a circle is 
. This implies that the central of the pie chart is also , because a pie chart is always in 
of a 
Answer:
It's D
Step-by-step explanation:
Answer:
Mr Y got 10 votes
Step-by-step explanation:
The election of the housing society has 30 voters. Each of them gives the vote. The three person vying for the post of secretary are X, Y and Z.
Le us calculate the votes of each contestant
Mr X
He got 2/5 of the total votes
number of votes = 2/5 × 30
number of votes = 60/5
number of votes = 12
Mr Z
He got 1/4 of the total votes
number of votes = 1/4 × 30
number of votes = 30/4
number of votes = 1/4 × 30
number of votes = 7.5 ≈ 8 votes
Mr Y
The remaining votes will be 30 - 12 - 8 = 10 votes
Therefore,
Mr Y got 10 votes
Answer:a squared-b squared
Step-by-step explanation:
