The Magic Circle Quiz

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(10 Questions)
California State Mathematics Standards
Measurement & Geometry
This activity lesson and quiz cover a variety of Measurement & Geometry Standards including:
•linear measurement using the standard and metric systems, using a ruler
•identifying parts of circles and common polygons, and the polygon names
•calculating perimeters of a variety of triangles and quadrilaterals
•using mental math and inference to determine measures

From Mr. Anker Tests

Be sure to complete "The Magic Circle" lesson before taking this quiz.

https://docs.google.com/presentation/d/1GXsPD9MUynEL0pt9MKokaXDTYeiCiVL3npeHTik8y0I/edit?usp=sharing

1. In Geometry, what name is given to this figure? *

1 point

taco

half circle

semi-circle

geodesic dome

2. In Geometry, what term is used to describe the fact that these two line segments cross? *

1 point

criss-crossing

intersecting

random

diagonal

3. What is the name given to line segments that touch both edges of a circle and pass through the center? *

1 point

diameters

radii or radiuses

chords

circumferences

4. The red line segment begins at the edge of the circle and ends at the center point. What is the special name given to the red line segment in Geometry? *

1 point

midpoint

radius

half-line

chord

5. Which of the statements below is true about equilateral triangles? *

1 point

all sides have equal lengths

the sum of the three angles is 180°

all angles have the same measure of 60°

all of the above statements are true

6. What type of triangle is this? *

1 point

scalene

equilateral

right

this triangle is both scalene and right

7. What geometric term is given to this figure? *

1 point

parallelogram

rhombus

trapezoid

pentagon

8. Which of the statements below is true? *

1 point

a square is a special kind of triangle

all rectangles are squares

a square is a parallelogram

all quadrilaterals are rectangles

9. What does it mean to say that a particular polygon is "regular"? (For example: "regular octagon", "regular hexagon") *

1 point

it means that all the sides in the polygon have the same measure

it means that the sides of all octagons always measure eight inches in length

it means that a square is a quadrilateral, but a rectangle is not

it means that the sum of all the angles always adds up to 100°

10. What is the measure of the radius (red line segment) in this circle? *

1 point

the radius is equal to twice the diameter (radius = 16")

it is impossible to tell since is it is not labeled

the radius is equal to half the length of the diameter (radius = 4")

six inches

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