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4th Grade Geometry Terms

Total questions: 30

Worksheet time: 6mins

Name
Class
Date
1.

An angle that measures less than 90 degrees but more than 0 degrees

a)

straight

b)

obtuse

c)

acute

d)

right

2.

A triangle that has all of its angles less than 90 degrees.

a)

equilateral triangle

b)

obtuse triangle

c)

isosceles triangle

d)

acute triangle

3.

Two angles that measures have a sum of 90 degrees.

a)

complementary angles

b)

supplementary angles

4.

What is the complementary angle for the image above?

a)

150 degrees

b)

50 degrees

c)

60 degrees

d)

45 degrees

5.

What type of triangle listed below best describes the triangle in the image?

a)

right triangle

b)

scalene triangle

c)

obtuse triangle

d)

equilateral triangle

6.

What type of triangle listed below best describes the triangle in the image?

a)

right triangle

b)

scalene triangle

c)

obtuse triangle

d)

acute triangle

7.

Which word describes lines that pass through the same point?

a)

parallel

b)

perpindicular

c)

intersecting

8.

Which word best describes lines that are equal distant apart and will never intersect?

a)

intersecting

b)

perpindicular

c)

parallel

9.

An angle that measures EXACTLY 90 degrees.

a)

obtuse

b)

right

c)

acute

d)

complementary

10.

What type triangle is in the image above?

a)

isosceles triangle

b)

scalene triangle

c)

obtuse triangle

d)

right triangle

11.

Which characteristic/attribute best describes the triangle above?

a)

isosceles

b)

scalene

c)

right

12.

A quadrilateral with 4 side that are equal and has all 90 degree angles.

a)

rectangle

b)

rhombus

c)

trapezoid

d)

square

13.

An angle that measures EXACTLY 180 degrees.

a)

right angle

b)

straight angle

c)

obtuse angle

d)

acute angle

14.

Names an exact location.

a)

point

b)

angle

c)

edge

d)

side

15.

4 sided polygons are called.....

a)

triangles

b)

circles

c)

quadrilaterals

16.

A line with a starting point but no ending point.

a)

line segment

b)

line

c)

ray

d)

perpendicular

17.

A parallelogram with four right angles.

a)

rhombus

b)

rectangle

c)

trapezoid

d)

hexagon

18.

Name the shape in the image above.

a)

square

b)

rectangle

c)

rhombus

d)

trapezoid

19.

Which image below is an obtuse angle?

a)
b)
c)
d)
20.

A triangle with one angle greater than 90 degrees.

a)

acute triangle

b)

obtuse triangle

c)

scalene triangle

d)

right triangle

21.

A quadrilateral with two pairs of parallel sides.

a)
b)
c)
22.

Lines that form square corners and 90 degree angles.

a)

perpendicular lines

b)

parallel lines

23.

Which image shows an isosceles triangle?

a)
b)
c)
24.

Two lines that cross each other.

a)

parallel

b)

intersecting

c)

criss cross lines

25.

Part of a line with two end points.

a)

line

b)

line segment

c)

ray

d)

point

26.

Two angles whose sum is 180 degrees.

a)

supplementary

b)

complementary

c)

intersecting

d)

perpendicular

27.

What would be the supplementary angle for the image above?

a)

90 degrees

b)

153 degrees

c)

163 degrees

d)

73 degrees

28.

When two parts fold and match exactly.

a)

parallel

b)

perpendicular

c)

mirror image

d)

symmetry

29.

Name the shape in the image above.

a)

rhombus

b)

square

c)

parallelogram

d)

trapezoid

30.

What best describes the two angles in the image above?

a)

side by side angles

b)

supplementary angles

c)

complementary angles

d)

right angles