2 3
1
STATEMENT
REASON
1.
m3 =m24
1.
2
2 22, 23 are supplementary
sides in
rays
3. m2 2 + m 3 = 180
Definition of
gles
4
4 m2 + m 2 4 = 180°
Substitution
5.
S.
are
m 21=m24
Opposite
6
6 m2 2 + m Z1 = 180°
7.
Definition of
angles
7. 21, 22 are supplementary

The mathematical expression 9€ t means

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?