Question

If U = { a, b, c, d, e, f, g, h}, find the complements of the following sets :
(i) A = {a, b, c}
(ii) B = {d, e, f, g}
(iii) C = {a, c, e, g}
(iv) D = { f, g, h, a}
NCERT Solutions for Class 11th Mathematics Chapter 1 Exercise 1.5 2

Answer 1

A'={d,e,f,g,h} B'={a,b,c,h} C'={b,d,f,h} D'={b,c,d,e}

Answer 2

We know that,

ASA criterion is defined as, two triangles are congruent if the two angles and the included side of one are respectively equal to the two angles and the included side of the other.

Then,

(i) ∠ATR = ∠PNE

(ii) ∠RAT = ∠EPN