Atruss bridge is shown with two parallel horizontal beams crossed by vertical and slanted beams. find the value x, the degree of slant for the beam.
the value of x is
2. which of the following equations are true? select all that apply.
a.
m∠3+m∠5=m∠4
b.
m∠3+m∠2=m∠5
c.
m∠3+m∠2=m∠1
d.
m∠3+m∠4+m∠2=180°
e.
180°−m∠1=m∠2
3. in the diagram below, two parallel lines are intersected by a third line. which statement is true about any two adjacent angles in this diagram?
a.
their measures must add to 180°.
b.
they must have the same measure.
c.
their measures must add to 90°.
d.
the angles do not have any points in common.