2017
Mathematics
POST UTME
On a pie chart, there are four sections of which three angles are 45° 90° and 135°, if the smallest section represent N28 how much is the largest section
A.
N48
B.
N84
C.
N28
D.
N82
Correct Answer: N84
Explanation
Sum of the angles is 360 degrees
The forth angle is
360 - (45+90+135) = 90 degrees
Let be the total sector
For the small sector X
45 = 360 X 28
=__360 X 28___
45
Then, largest sector = 135/360 X 224 = N84
Sum of the angles is 360 degrees
The forth angle is
360 - (45+90+135) = 90 degrees
Let be the total sector
For the small sector X
45 = 360 X 28
=__360 X 28___
45
Then, largest sector = 135/360 X 224 = N84
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