Triangles

Triangles have four angles.

• false

• true

This triangle has three equal sides

• scalene

• equilateral

• right

• isosceles

Three examples of triangle-shaped objects.

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Tags

CCSS.2.G.A.1

The point where two sides of a triangle meet is called (a)   .

Types of triangles based on size of their angles. (You can select more than one option).

• acute

• equilateral

• isosceles

• right-angled

This triangle has two equal sides.

• scalene

• isosceles

• equilateral

• obtuse

In the right-angled triangle, the side opposite the right angle is called ______.

• vertex

• ray

• hypotenuse

• base

The sum of the measures of the interior angles of a triangle is 180°.

• true

• false

Mention the name of the triangle that has no equal length sides.

The base is the side at the _________ of the triangle.

• bottom

• left