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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

1) the problem is simply asking for you to list 3 'irrational' numbers. since the square root of any number that is not a perfect square is irrational, you can list some like: √2, √3, √5 but π also works, as well as ∛2, ∛4, and the fifth root of 16.

2)Take a point O representing 0 on a number line. With some suitable scale (say 1 inch) mark a point P which represents 1 on the number line. At P darw a line PQ perpendicular to the number line such that PQ = 1. Join O to Q. => OQ = √2. With O as center and radius = √2, cut an arc at R on the number line. => OR = √2. Now, draw a line RS = 1 perpendicular to the number line. Join O to S. => OS = √3 With O as center and radius = OS cut an arc at T on the number line => OT = √3 You can continue like this and get √4, √5, √6, .... √10 and so on on the number line.

Specifically for √10, mark a point A on the number line such that OA = 3 and draw a line AB perpendicular to the number line such that AB = 1 => OB = √10 (by pythagorus theorem) With center at O and radius = OB = √10, cut an arc at C on the number line => OC = √10.