8
12
16
20
Correct answer is D
\(\frac{(n - 2)180}{n}\) = 162 (where n = no. of sides)
162n = 180n - 360
162n - 180n = -360
-18n = - 360
n = \(\frac{360}{18}\)
n = 20
If a function is defined by f(x + 1) = 3x2 - x + 4, Find f(0). ...
Evaluate \(\frac{(0.14^2 \times 0.275)}{7(0.02)}\) to 3 decimal places. ...
Simplify and express in standard form \(\frac{0.00275 \times 0.00640}{0.025 \times 0.08}\)...
In the Figure FD\\AC, the area of AEF = 6sq.cm. AE = 3cm, BC = 3cm, CD = 5cm, < BCD is an obtuse ...
Find the probability that a number selected at random from 40 to 50 is a prime ...
A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the d...