Geometry Ch. 3.1-3.5
133
2 angles of a triangle measure 47 and 72. What is the measure of the largest exterior angle of the triangle?
45
A triangular playground has angles with measures in the ratio of 4 : 5 : 3. What is the measure of the smallest angle?
sometimes
Always, Sometimes, or Never: 2 lines in intersecting planes are skew
sometimes
Always, Sometimes, or Never: 2 lines that lie in parallel planes are parallel
always
Always, Sometimes, or Never: 2 parallel lines are coplanar
always
Always, Sometimes, or Never: 2 planes that do not intersect are parallel
never
Always, Sometimes, or Never: 2 skew lines are coplanar
never
Always, Sometimes, or Never: a line and a plane that do not intersect are skew
never
Determine whether the statement is always, sometimes, or never true: parallel planes intersect
sometimes
Determine whether the statement is always, sometimes, or never true: rays are parallel
never
Determine whether the statement is always, sometimes, or never true: skew lines are coplanar
never
Determine whether the statement is always, sometimes, or never true: skew lines intersect
always
Determine whether the statement is always, sometimes, or never true: skew lines never intersect
v = 121, w = 59, x = 121, y = 59, z = 53
Find the value of the 5 variables
x = 14
Find the value of x
x = 49
Find the value of x
x = 108, y = 36
Find the value of x and y.
x = 82, y = 68, z = 98
Find the values of x, y and z
2 = 90, 3 = 90, 4 = 148, 5 = 32, 6 = 32, 7 = 122, 8 = 58, 9 = 122
Find the measure of each numbered angle
congruent
If 2 lines are parallel, then alternate exterior angles are ?
congruent
If 2 lines are parallel, then alternate interior angles are ?
congruent
If 2 lines are parallel, then corresponding angles are ?
supplementary
If 2 lines are parallel, then same side interior angles are ?
68, 32, 80
The measure of 1 angle of a triangle is 68. The other 2 angles are in a ratio of 2:5. Find the measure of all 3 angles of the triangle.
108
The folding chair has different settings that change the angles formed by its parts. Suppose angle 2 is 34 and angle 3 is 74. Find the measure of angle 1.
Parallel lines
What are "coplanar lines that do not intersect" called?
skew lines
What are "noncoplanar lines that do not intersect" called?
parallel planes
What are "planes that do not intersect" called?
parallel
What does // mean?
transversal
What is "a line that intersects 2 or more coplanar lines at distinct points" called?
a is parallel to d
tell how a and d relate: a is perpendicular to b, b is parallel to c, and c is perpendicular to d.