Triangles

Triangles

Plane Figures

Lines

Lines/ Angles

Quadrilaterals

100

This triangle has a right angle.

What is a right triangle?

100

This figure has 3 sides and 3 angles.

What is a triangle?

100

Straight and continues in both directions.

What is a line?

100

An angle that is less than 90 degrees.

What is an acute angle?

200

This triangle has 3 equal sides.

What is an equilateral triangle?

200

This figure has 5 sides and 5 angles.

What is a pentagon?

200

An exact location or position.

What is a point?

200

An angle that is more than 90 degrees.

What is an obtuse angle?

200

A quadrilateral with 2 pairs of parallel sides and 2 pairs of equal sides.

What is a parallelgram?

300

This triangle has 3 different side lengths.

What is a scalene triangle?

300

This figure has 8 sides and 8 angles.

What is an octagon?

300

Has one endpoint and continues in one direction.

What is a ray?

300

formed by two rays or line segments that share an endpoint.

What is an angle?

300

A quadrilateral with 2 pairs of parallel sides and 4 equal sides.

What is a rhombus?

400

This triangle has an obtuse angle.

What is an obtuse triangle?

400

This figure has 6 sides and 6 angles.

What is a hexagon?

400

Straight and has two endpoints.

What is a line segment?

400

intersecting lines that cross to form right angles.

What is perpendicular lines?

400

A quadrilateral with one pair of parallel sides, but the sizes of the angles are not always the same.

What is a trapezoid?

500

This triangle has 2 equal sides.

What is an isosceles triangle?

500

This figure has 4 sides and 4 angles.

What is a quadrilateral?

500

Lines that do not cross, they are always the same distance apart.

What is parallel lines?

500

Lines that cross.

What is intersecting lines?

500

A quadrilateral with 2 pairs of parallel sides, 4 equal sides, and 4 right angles.

What is a square?

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