Triangles

Front 1

I am the side opposite the right angle in a right triangle.

What am I?

Back 1

I am the hypotenuse of a right triangle.

Front 2

I am a triangle with three equal (congruent) sides and three equal (congruent) angles.

What am I?

Back 2

I am an equilateral triangle.

Front 3

I am the point of intersection of the three axes of a triangle.

What am I?

Back 3

I am the circumcenter of a triangle.

Front 4

I am any one side of the triangle. Usually I am the side the triangle is resting upon.

What am I?

Back 4

I am the base of the triangle.

Front 5

I am the point of intersection of the three altitudes of a triangle.

What am I?

Back 5

I am the orthocenter of a triangle.

Front 6

I am a perpendicular line drawn through the midpoint of a side.

What am I?

Back 6

I am the axis of a triangle.

Front 7

I am a triangle in which the two equal sides form a right angle.

What am I?

Back 7

I am an isosceles right-angled triangle.

Front 8

I am formed by two sides drawn from a common endpoint. A triangle has three of me.

What am I?

Back 8

I am the angle of the triangle.

Front 9

I am the point of intersection of the three bisectors of a triangle.

What am I?

Back 9

I am the incenter of a triangle.

Front 10

I am the plane limited by the sides of the triangle.

What am I?

Back 10

I am the area of the triangle.

Front 11

We are the sides of a right triangle that form the right angle.

What are we?

Back 11

We are the legs of a right triangle.

Front 12

I am the line drawn from any one vertex of a triangle to the midpoint of the opposite side.

What am I?

Back 12

I am the median of a triangle.

Front 13

I am the point at which the medians intersect.

Wht am I?

Back 13

I am the centroid of a triangle.

Front 14

I am a triangle that has three angles that measures between zero degree and 90 degrees.

What am I?

Back 14

I am an acute triangle.

Front 15

I am a triangle with no equal sides and a right angle.

What am I?

Back 15

I am a scalene right-angled triangle.

Front 16

I am a triangle with no equal sides and an obtuse angle.

What am I?

Back 16

I am a scalene obtuse-angled triangle.

Front 17

I am a triangle with no equal sides and all acute angles.

What am I?

Back 17

I am a scalene acute-angled triangle.

Front 18

I am the distance around the triangle.

What am I?

Back 18

I am the perimeter of a triangle.

Front 19

I am a triangle with two equal (congruent) sides.

What am I?

Back 19

I am an isosceles triangle.

Front 20

I am a triangle with two equal sides and all acute angles.

What am I?

Back 20

I am an isosceles acute-angled triangle.

Front 21

We are the line segments that form the triangle.

What are we?

Back 21

We are the sides of the triangle.

Front 22

I am a triangle that has one angle that measures exactly 90 degrees.

What am I?

Back 22

I am a right triangle.

Front 23

I am a triangle with no equal (congruent) sides.

What am I?

Back 23

I am a scalene triangle.

Front 24

I am the common endpoint of two sides. A triangle has three of me.

What am I?

Back 24

I am the vertex of a triangle. When there are more than one of me, we are called vertices.

Front 25

I am a triangle that has one angle that measures between 90 degrees and 180 degrees.

What am I?

Back 25

I am an obtuse triangle.

Front 26

I am the line from any one vertex drawn perpendicular to the opposite side, extended if necessary.

What am I?

Back 26

I am the altitude of a triangle.

Front 27

I am a triangle in which the two equal sides form an obtuse angle.

What am I?

Back 27

I am an isosceles obtused-angled triangle.