Q. 595.0( 1 Vote )

Match the following columns:


The correct answer is:

A. – …….., B. – ……….,

C. – ………, D. – ……….,

Answer :

(a) – (r), (b) – (p), (c) – (s), (d) – (q)


(a) – (r)


2x + 3x = 180 (linear pair of angles)


5x =180


X = 36


2x = 2 X 36 = 72


(b) – (p)


2x – 10 + 3x – 10 = 180 (linear pair of angles)


5x – 20 =180


5x = 200


x = 40


AOD = 3x – 10 (opposite angles are equal)


= 120 – 10


= 110


(c) – (s)


C = 180 – (A + B) (sum of angles triangle is 180)


= 180 – (60 + 65)


= 55


ACD = 180 – 55 (sum of linear pair of angles is 180)


= 180 – 55


= 125


(d) – (q)


B = D) (alternate interior angles)


= 55


ACB = 180 – (55 + 40) (sum of angles of triangle is 180)


= 180 – 95


= 85


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