Question

16.In the following figure, two straight lines AB and CD are intersecting each other at the point 0 and the angles thus formed at 0 are marked, then the value of ∠x and ∠y is *

2 points



120° and 62°

62° and 118°

118° and 62°

62° and 120°

17.Find the measure of the angle which is double of its complementary angle? *

2 points

(a)60°

(b) 30°

(c) 45°

(d) 120°

18.. In the following figure, if ∠ 1 + ∠ 3 = 120°, then ∠ 2 + ∠ 4 is equal to *

2 points



(a) 60°

(b) 120°

(c) 240°

(d) 80°

19.In the given figure, find x. *

2 points



280°

28°

210°

56°

20.Find the value of x and y in the adjoining figure. *

2 points



40°,70°

52°,88°

30°, 80°

50°, 80°​

Answer 1

Answer:

please give me the answer please

Answer 2

Solution :-

given that, two straight lines AB and CD are intersecting each other at the point O .

and,

→ ∠BOD = 62°

Since, CD is a straight line .

So,

→ ∠x + ∠BOD = 180° { Linear pair }

→ ∠x + 62° = 180°

→ ∠x = 118°

now,

→ ∠y = ∠BOD { Vertically opposite angles }

→ ∠y = 62°

therefore, the value of ∠x and ∠y is 118° and 62° .

Hence, Option (C) is correct answer .

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