Question

If a={triagles},b={isosceles triangles},c={right angled triangles} then which represents right angled isosceles triangle

Answer 1

If a={triagles},b={isosceles triangles},c={right angled triangles} then the right angled isosceles triangle is represented by c.

c={right angled triangles}

A triangle can be an isosceles triangle and a right angled triangle.

A right angled triangle can be an isosceles triangle.

An isosceles triangle is a triangle with two equal sides.

An isosceles triangle can be a right angled triangle, but not always.

A right angled isosceles triangle is a triangle with two equal sides and one right angle.

Answer 2

$b\bigcap c$ means the intersection of set b and set c.

Step-by-step explanation:

Given are the sets:

a={triangles}

b={isosceles triangles}

c={right angled triangles}

Here we have a as universal set of triangles which has two subsets b and c.

Then the set that represents the  right angled isosceles triangle is :

$b\bigcap c$ means the intersection of set b and set c.

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TOPIC: intersection of sets

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