Each interior angle of a regular polygon is 108°. How...
Each interior angle of a regular polygon is 108°. How many sides has it?
5
7
9
14
Correct answer is A
The exterior angle of the polygon = 180 – 108 = 72°. The sum of exterior angle of the regular polygon = 360°
The number of sides \(=\frac{360}{72}=5\)
Use the graph find the values of p and q if px + qy \(\geq\) 4...
Calculate the perimeter, in cm, of a sector of a circle of radius 8cm and angle 45o...
find the mean deviation of 1, 2, 3 and 4 ...
Find the values of x for which y = 5 ...
If sin x = \(\frac{5}{13}\) and 0o \(\leq\) x \(\leq\) 90o, find the value of (cos x - tan x)...
A binary operation Δ is defined by aΔb = a + b + 1 for any numbers a and b. Find the inv...