Mr. Vaseks trivia
Area of a Circle
Radius, Diameter & Circumference of a Circle
Area of a Triangle
Circumference of a circle
100

Which pride at Chinook says "east is beast"


East

100

What is the "radius" of a circle?

The distance from the centre of the circle to a point on the circle

100

Name at least 8 geometric shapes

answers may vary

100

What is the area?


A=(b)(h)
        2

A=(6 units)(5 units)
              2

A=15 units(OR square units)

100

What is the circumference of this circle?

3.14 x 12


37.68

200

Name 8 fast food restaurants

Wendys, Arbys, McDonalds, Taco Bell, Taco Time, Subway, Zaxbys, Burger King, Dairy Queen, Chik-fil-a, etc...

200

Find the area of this circle:


A=ᴨr2

A=(3.14)(4 cm)2 

A=(3.14)(4 cm)(4 cm)

A=50.24 cm2

200

What is the "diameter" of a circle?

The distance across a circle through its centre

200

What is the area of this triangle?


A=(b)(h)
       2

A=(6 in)(7 in)
        2

A=21 in2

200

What is the formula for the circumference of a circle?

pi x diameter

300

Fill in the blank to this song:


The wheels on the bus go ________ and ______

round and round

300

Find the area of this circle:

A=ᴨr2

A=(3.14)(12 cm)2 

A=(3.14)(12 cm)(12 cm)

A=452.16 cm2

300

What is the circumference of this circle?


C=2ᴨr

C=(2)(3.14)(3 cm)

C=18.84 cm

300

What is the area of this triangle?


A=(b)(h)
       2

A=(12 m)(10 m)
         2

A=60 m2

300

What is the circumference of this circle?


3.14 x 18


56.52 in

400

Name 4 types of Soda AND

Name 4 teachers at Chinook AND

Name 4 things you might find in a kitchen

Answers will vary... a lot

400

The diameter of a circle is 12 in. Find the area of the circle:


r = d
      2
r=12 in
       2 

r=6 in

A=ᴨr2

A=(3.14)(6 in)2 

A=(3.14)(6 in)(6 in)

A=113.04 in2



400

What is the circumference of this circle? (" is inches)


C=ᴨd

C=(3.14)(8 in)

C=25.12 in

400

What is the area of this triangle?


A=(b)(h)
       2

A=(14 m)(10 m)
         2

A=70 m2

400

What is the circumference of this circle



14x2= 28 so 28 is the diameter

3.14 x 28


87.92 cm

500

What 4 teams are left in the NBA playoffs

Miami Heat, Boston Celtics, Dallas Mavericks, Golden State Warriors

500

Ms. K was trying to find the area of this circle but she made a mistake: 

What mistake did she make in her work shown below? What is the correct answer?

A=ᴨr2

A=(3.14)(5 cm)2 

A=(3.14)(5 cm)(2)

A=31.4 cm2

She multiplied the radius by 2 instead of squaring it.

A=ᴨr2

A=(3.14)(5 cm)2 

A=(3.14)(5 cm)(5 cm)

A=78.5 cm2

500

The circumference of a circle is 69.08 ft. What is the radius of the circle?

C=ᴨd

69.08 ft=(3.14)(d)
   3.14        3.14

22 ft=d

r = d
      2

r = 22ft
       2

r = 11 ft

500

What is the base of this triangle?


A=(b)(h)
        2

12 cm2=(3 cm)(b)
                 2

(12 cm2)(2)=(3 cm)(b)(2)
                        2

24 cm2=(3 cm)(b)
 3 cm        3 cm

8 cm = b



500

What is the circumference of this circle?



diameter= 10x2 = 20

circumference = 3.14 x 20


62.8 mm