pi*r2
Area of a circle
Square root of 169
13
Right or 90 degree
Canada
Ottawa
Group of kittens or puppies
Litter
(1/2)bh
Say this number out loud correctly:
1,000,000,000,000
1 trillion
This shape has four right angles
Rectangle
Other answers NOT accepted
Japan
Tokyo
Group of crows
Murder
a2+b2=c2
Pythagorean Theorem
27
128
A triangle with no equivalent sides
Scalene
Sydney
Group of penguins
Raft (on water) or waddle (on land)
y=mx+b
Slope intercept form
How many inches long is a football field (not including endzones)?
12*3*100 = 3600
A quadrilateral with one pair of parallel sides
Trapezoid
China
Beijing
Group of gorillas
Troop or band
Ax+By=C
Standard form of a line
How many standard water bottles would it take to fill a car's 12 gallon gas tank in full?
Standard water bottle is exactly 500 mL or 16.9 fl oz, stated on every plastic water bottle. One gallon is equal to 3.8 liters, stated on every toilet. So one gallon is approximately 8 water bottles. 8*12 = 96 water bottles.
Exact answer: 91 water bottles
Name the shape defined as the set of all points equidistant from the center
Circle or sphere
Brazil
Brasilia
Group of adult cats
Clowder or colony