Topics
Geometry
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India
Class IX

Cointerior Angles

Lesson
Practice

Interactive practice questions

Which of these show a pair of co-interior angles in parallel lines?

A

B

C

D

E

F
Easy
< 1min

Choose the correct answer.

Easy
< 1min

What is the sum of the cointerior angles shown?

Easy
< 1min

Are the lines $AB$AB and $CD$CD parallel?

Easy
< 1min
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Outcomes

9.G.LA.1

If a ray stands on a line, then the sum of the two adjacent angles so formed is 180° and the converse. If two lines intersect, the vertically opposite angles are equal. Results on corresponding angles, alternate angles, interior angles when a transversal intersects two parallel lines.

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