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Classifying Quadrilaterals and Triangles

Total questions: 17

Worksheet time: 13mins

Name
Class
Date
1.

Which statement is true?

a)

A quadrilateral is always a parallelogram.

b)

A square is always a parallelogram

c)

A parallelogram is never a rhombus.

d)

A trapezoid never has two congruent sides.

2.

Classify this triangle based on its side lengths.

a)

isosceles

b)

equilateral

c)

scalene

3.

What is a polygon?

a)

a 3-dimensional figure

b)

a 4-dimensional figure

c)

a 2-dimensional figure

d)

a straight line

4.
All quadrilaterals are parallelograms.
a)
True
b)
False
5.

Classify this triangle based on its angles.

a)

acute

b)

right

c)

obtuse

6.
Which of the following MUST be true for a triangle to be scalene?
a)
all 3 sides cannot be congruent
b)
two sides have to be congruent
c)
all angle measures are less than 90 degrees
d)
must have 4 congruent sides and angles
7.

Classify this triangle based on its side lengths and type of angle.

a)

equalateral, acute

b)

equilateral, obtuse

c)

equilateral, right

8.

Which of the following statements supports the fact that an equilateral triangle is also an isosceles triangle?

a)

They both have at least two congruent sides.

b)

They are both triangles.

c)

The sum of all the measures of the angles is 180 degrees.

d)

All the angles are congruent.

9.

Classify this triangle based on its angles.

a)

acute

b)

right

c)

obtuse

10.

What kind of triangle is this based on its side length?

a)

equilateral

b)

scalene

c)

isoceles

11.

A rectangle must be a __________ and a __________.

a)

parallelogram, rhombus

b)

square, quadrilateral

c)

trapezoid, square

d)

quadrilateral, parallelogram

12.

Which statement correctly compares these two triangles?

a)

Both figures are polygons with all different side lengths and angles.

b)

Both figures are polygons with one right angle.

c)

Both figures are polygons with one pair of congruent sides and 2 equal angles.

d)

Both figures are polygons with 3 obtuse angles.

13.

Rebecca drew a quadrilateral with only ONE PAIR of parallel sides. Which statement is true?

a)

It must be rectangle.

b)

It must be a parallelogram.

c)

It could be a kite.

d)

It must be a trapezoid.

14.
A quadrilateral with 4 congruent sides could be.
a)
a rectangle or a trapezoid
b)
a square or a rhombus
c)
a parallelogram or a trapezoid
d)
a rectangle or a rhombus
15.

What does congruent mean?

a)

different size and different shape

b)

same size but different shape

c)

different size but same shape

d)

same size and same shape

16.
I am a triangle with all sides measuring less than 90 degrees. What am I?
a)
Right triangle
b)
Scalene triangle
c)
Acute triangle
d)
Obtuse triangle
17.

Look at the hierarchy. Which figure can be placed below the rectangle in this hierarchy?* (A question like this is almost always on AIR test!)

a)

rhombus

b)

trapezoid

c)

square

d)

triangle