# Flashcard Set Preview

Side ASide B

What is Even x Even ?

Even

What is Even x Odd ?

Even

Odd x Odd = ?

Odd

Even + Even = ?

Even

Even + Odd = ?

Odd

Odd + Odd = Even

Even

In a right triangle with two 45 degree angles, what are the ratios?

s: s : square root of 2

In a right triangle, if two sides are 7 and 25, what's the third?

24

In a right triangle 30:60:90 degree angles, what are the ratios of the sides?

a: 2a: a X square root of 3

In a right triangle with sides 15 and 36, how much is the third side?

39 (it's a 5: 12: 13 triangle)

What happens when you divide an isoceles triangle in half down the middle?

You get a 30: 60: 90 triangle with sides of a, 2a and a x square root of 3

Area of a square based on diagonal is?

1/2 d squared

To find the interior angle of any polygone use what formula?

(n-2) X 180 degrees

Volume of a cube =

e cubed

volume of a rectangular solid =

l X w x h

volume of a cylinder =

(PI X r-squared) X height

total surface area of a cylinder

circumference X height + 2 (pi X r-squared)

What is the third side if a triangle is 36: 45 ?

27

What is the diagonal of a square side of 64?

64 x square root 2

Total surface area of a cube

6e-squared

Length of an arc is?

(2 x pi-r)* x/360
circumference * fraction of the circle

If J can paint a house in six days and E can paint it in 8, how long will it take working together?

x/6 + x/8 = 1

What's the avg among a sequence of equally spaced numbers?

The median

The surface area of a cylinder is

2-pi-squared + 2-pi X radius X height

volume formula for a cylinder

V = pi X r-squared X height