An (n – 2)2 sided figure has n diagonals. Find the number n diagonals for 25-sided figure
-
A.
7 -
B.
8 -
C.
9 -
D.
10
Correct Answer: Option A
Explanation
(n – 2)2 = 25
n – 2 = 25 = 5
n = 5 + 2
= 7
You May Also Like
A tax on a commodity whose demand is perfectly inelastic will fall heavily on the
A tax on a commodity whose demand is perfectly inelastic will fall heavily on the A. consumer B.…
The Economic and Social Council (ECOSOC) is an organ of the_________
The Economic and Social Council (ECOSOC) is an organ of the_________ A. African Union B. Commonwealth of Nations…
(a) Name four irrigation schemes within the Nile Basin(two in Egypt and two in Sudan)…
(a) Name four irrigation schemes within the Nile Basin(two in Egypt and two in Sudan) (b) Select any…
An element X has two isotopes, 2010X and 2010X, present in the ratio 1:3. The…
An element X has two isotopes, 2010X and 2010X, present in the ratio 1:3. The relative atomic mass…
White blood cells are also known as
White blood cells are also known as A. erythrocytes B. leucocytes C. lymphocytes D. phagocytes Correct Answer: Option…