JAMB - Mathematics (1993 - No. 32)
Quantities in the proportions 1, 4, 6, 7 are to be represented in a pie chart. Calculate the angle of the sector with proportion 7
20o
80o
120o
140o
คำอธิบาย
Angle corresponding to 7 in a pie chart will be \(\frac{7 \times 360}{\text{sum of items}}\)
= \(\frac{7 }{18}\) x 360
= 140o
= \(\frac{7 }{18}\) x 360
= 140o