2D Geometry

Polygons

100

What is the name for a 4 sided figure?

quadrilateral

200

True or false: A circle is a polygon. Tell me why or why not

No because a polygon cannot have curved lines.

300

What is the difference between a regular polygon and an irregular polygon?

Regular polygon has all equal sides and equal angles
Irregular polygon has all angles and sides not equal

400

Two figures are _______ if they have the same shape and size.  

congruent

500

To be considered a polygon, a shape must meet all three of these rules.

• Two-dimensional: It is completely flat.
• Closed: The line segments connect end-to-end to form a continuous loop without any openings.
• Straight: It is made exclusively of straight line segments; no curves or rounded edges are allowed. 

Triangles

100

What are the two ways to identify triangles?

By angle and by side length

200

A triangle with all equal sides is called ______________. 

equilateral

300

A triangle with all three angles under 90 degrees is called

__________________.

acute triangle

400

A triangle with two equal sides is called

_____________________.

isosceles triangle

500

What is the name for a triangle with three sides of a different length?

scalene triangle

Angles

100

When measuring angles, one should put the centre of the protractor on the _____________________.

vertex 

200

An angle that measures 64 degrees is classified as 

______________________.

acute

300

An angle that measures 126 degrees is classified as 

_______________________.

obtuse

400

An angle that measures 90 degrees is classified as 

_______________________________

right

500

What is the total of all three angles in the interior of a triangle?

180 degrees

Constructions

100

Construct an isosceles triangle.

(two sides equal)

200

Construct a right angled triangle.

(90 degrees)

300

Construct a triangle with a base of 7 cm and an angle of 45 degrees.

(DID YOU USE A RULER AND PROTRACTOR?)

400

Construct a triangle with a base of 5 cm and an angle of 130 degrees.

(DID YOU USE A RULER AND A PROTRACTOR?)

500

Construct a triangle with a base of 7 cm, a side of 5 cm. and an angle of 45 degrees.

(DRAW CAREFULLY!)

Miscellaneous

100

A straight line that begins at a point and extends forever in one direction is called a ________.

ray

200

Find the area of a rectangle with length 12 cm and width 5 cm.

60 cm²

300

Find the perimeter of a rectangle with length 9 cm and width 4 cm.

26 cm

400

A polygon with no equal sides

irregular polygon

500

What is the hight of a rectangular prism with a volume of 120cm³ , width of 10cm, and length of 4cm?

hight = 3cm