Chapter 3.3, Problem 11E

### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

Chapter
Section

### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
1 views

# In Exercises 9 to 12, determine whether the sets have a subset relationship. Are the two sets disjoint or equivalent? Do the sets intersect? R = { right triangles } ; O = { obtuse triangles }

To determine

The relationship between the two given sets.

Explanation

If two sets do not have any element in common, then they are called as disjoint sets.

Given:

The given sets are,

R={rightÂ triangles}

And,

O={obtuseÂ triangles}.

Approach:

A triangle with a right angle and two acute angles is a right triangle and a triangle with an obtuse angle and two acute angles is an obtuse triangle

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