A diagram and information about it is provided. A students is trying to figure out the measure of angle EDF. Complete the students thought process in the green boxes below.

Question

/\
A / \
/ \ Right triange
/ \
m B / 1 \ C
<------------------------- / -------------------------->
/ 2
/
/
/
n E / G
<------------------------ . ---------------------.---------------->
/ |
/ |
/ |
/ |
D / ? |
. ---------. F

Angle 1 is 60 degrees because: ______________________


Word Bank:
Adjacent angles Obtuse
Alternate interior angles Parallel
Area Perpendicular
Complementary Regular
Congruent Right
Corresponding Scalene
Equilateral Square
Isosceles Supplementary
Transversal Subtracted
Added Multiplied
vertical divided
Triange angle Sum

Answer 1

Angle 1 is 60 degrees because it is a vertical angle to angle EDF. This means that they are congruent angles formed by two intersecting lines. In other words, angle 1 and angle EDF share the same measurement of 60 degrees.