Match the following columns: Column I Column II (a) An angle is 10 ° more than its complement. The measure of the angle is…. (p) 160° (b) In ΔABC, ∠ A = 65° and ∠ B – ∠ C = 25°, then ∠ B = … (q) 50° (c) In ΔABC, ∠ A = 40° and ∠ B = ∠ C? If EF || BC, then ∠ EFC = … (r) 70° (d) If the angles around a point are 2x°, 3x°, 5x° and 40° then the measure of largest angle is………. (s) 110° The correct answer is: A. – …….., B. – ………., C. – ………, D. – ……….,

Question

Philoid · Accepted Answer

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

(a) – (q)

x + x + 10 = 90

2x + 10 = 90

2x = 80

x = 40

x + 10 = 50^O

(b) – (r)

A + B + C =180

65 + B + B – 25 = 180

2B + 40 = 180

2B = 140

B = 70^O

(d) – (p)

A + B + C + D =360

2x + 3x + 5x + 40 = 360

10x + 40 = 360

10x = 320

X = 32^O

5x = 32 X 5 = 160^O

Column I	Column II
(a) An angle is 10° more than its complement. The measure of the angle is….	(p) 160°
(b) In ΔABC, ∠A = 65° and ∠B – ∠C = 25°, then ∠B = …	(q) 50°
(c) In ΔABC, ∠A = 40° and ∠B = ∠C? If EF \|\| BC, then ∠EFC = …	(r) 70°
(d) If the angles around a point are 2x°, 3x°, 5x° and 40° then the measure of largest angle is……….	(s) 110°