The grades of 36 students in a class test are as shown in...
The grades of 36 students in a class test are as shown in the pie chart. How many student has excellent?
7
8
9
12
Correct answer is A
degree of excellent in the pie-chart = 360o - (90o + 120o + 80o) = 360o - 290o = 70o
= 360o = 36 students
70 = \(\frac{70^o}{360^o}\) x 36 = 7
In the diagram, O is the centre of the circle of radius 18cm. If < zxy = 70\(^o\), calculate the ...
If A = (−3,5) and B = (4,−1) find the co-ordinate of the mid point ...
The midpoint of P(x, y) and Q(8, 6) is (5, 8). Find x and y....
\(\begin{pmatrix} -2 & 1 \\ 2 & 3 \end{pmatrix}\) \(\begin{pmatrix}p & q \\ r &...
The equation of the line in the graph is ...
Make t the subject of formula \(k = m\sqrt{\frac{t-p}{r}}\)...
The radius of a geographical globe is 60cm. Find the length of the parallel of latitude 60oN...