Show:
Rah-Rah-Rectangles
La-La-Paralellograms
Nice Tri-angles
Can I Get a Formula?
Pizza Pi
Pizza Pi Part 2
100

What is the area of a rectangle with a length of 12 yards and a width of 3 yards?

Area=36 square yards

100
Base=8 inches, Height=10 inches. What is the area of the triangle?
Area=40 square inches
100

What is the formula for the area of a rectangle?

What is

A = l times w

where l is the length and 2 is the width?

100
A giant perfectly circular Aqua-Pool has a diameter of 648 feet. What is the radius of the Aqua-Pool?
radius=324 feet
100
A circle has a diameter of 8 inches. What is the Circumference of the circle?
C=25.12 inches
200
What is the perimeter of a rectangular fenced yard with a length of 45 feet and a width of 25 feet?
Perimeter=140 feet
200
If the height of a triangle is 4 units, and the area is 12 square units, how many units is the base of the triangle?
Base=6 units
200

What is the formula for the area of a triangle?

What is

A = (b times h) / 2

where b is the base and h is the height?

200
What is the Circumference of a circle?
The Circumference is the distance around the outside of a circle (or the Perimeter in the language of circles)
200
What is pi?
Pi is a number that is approximately 3.14 that we can use to find measurements of circles.
300

What is the greatest possible area for a rectangle with a perimeter of 24 mm?

What is 36 square millimeters?

300
What 2 things have to be true about the HEIGHT of a triangle?
1. It must go from the top of the triangle to the base. 2. It must be perpendicular (form a 90 degree angle)
300

What is the formula for the area of a parallelogram?

What is

A = b times h

where b is the base and h is the height?

300
A circle has a radius of 9 m. What is the area of the circle?
Area=254.34 square meters
300
A circle has a diameter of 18 m. What is the area of the circle?
Area=254.34 square meters
400

What is the area of a parallelogram with side lengths 5 and 6?

What is, "The area can not be determined if we know the side lengths of a parallelogram, it is not rigid."?

400
Why do we divide by 2 when we are finding area of a triangle?
Because a triangle is HALF of a rectangle so the area is HALF the area of a rectangle (base times height).
400

What is the formula for the circumference of a circle?

What is

C = pi times d

where d is the diameter of the circle?


400
How many more square inches are there in a 16 inch pizza than in a 10 inch pizza?
There are 122.46 more square inches of pizza.
400
How many more square inches are in a 14 inch pizza than in a 12 inch pizza?
There are 40.82 more square inches.
500

What is the area of this parallelogram?

What is 32.34 square inches ?

500
True or false: The area of a triangle with Base=4m and Height=3m is 12 square meters.
False: You have to divide your answer by 2...so the area of the triangle is 6 square meters.
500

What is the formula for the area of a circle?

What is

A = pi times r2

where r is the radius of the circle?

500
Which has more square inches of pizza...a large square pizza with 15 inches on each side...OR a large 16-inch diameter round pizza?
The SQUARE pizza has 225 square inches and the CIRCLE pizza has 200.96 square inches.
500
Which pizza has MORE CRUST, a large SQUARE pizza with 15 inches on each side or a large 16-inch diameter ROUND pizza?
The square pizza has more crust with 60 inches compared to the round pizza with 50.24 inches.