Question

Q.2 If one of the four angles formed by two intersecting lines is a right angle,
then each of the four angles is
(a) an acute angle (b) a right angle (c) an obtuse angle (d) none of
these​

Answer 1

Answer:

right angle

option B is right

Step-by-step explanation:

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Answer 2

Answer:

When two lines intersect, the sum of one angles from both the pairs of vertically opposite angles, is 180

∘

Now, if one pair forms an acute angles, say θbe the acute angle.

Then the other angle formed be ϕ

hence, θ+ϕ=180

ϕ=180−θ

But, θ is an acute angle, hence ϕ is an obtuse angle.

hence, the other pair of vertically opposite angles will be formed by obtuse angles.

C is the ans of the question ❤️