Q. 595.0( 1 Vote )

# Match the following columns:The correct answer is:A. – …….., B. – ……….,C. – ………, D. – ……….,

(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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