In a regular polygon, each interior angle doubles its cor...
In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon.
8
6
4
3
Correct answer is B
2x + x = 180°, => 3x = 180°, and thus x = 60°
Each exterior angle = 60° but size of ext. angle = 360°/n
Therefore 60° = 360°/n
n = 360°/60° = 6 sides
For a class of 30 students, the scores in a Mathematics test out of 10 marks were as follows; 4,5...
Marks 0 1 2 3 4 5 Frequency 7 4 18 12 8 11 The table gives the distrib...
The number of goals scored by a football team in 20 matches is shown in the table above What is...
A regular polygon has 150º as the size of each interior angle. How many sides does it have...
If sin x = \(\frac{5}{13}\) and 0o \(\leq\) x \(\leq\) 90o, find the value of (cos x - tan x)...
If the variance of 3+x, 6, 4, x and 7-x is 4 and the mean is 5, find the standard deviation...
Find the value of a if log\(_{10}\) a + log\(_{10}\)a\(^2\) = 0.9030...