AnswersSSHS Geometry Sem 1 IMA 301Unit Test

Unit Test — Unit test Answers

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2 horizontal and parallel lines are intersected by 2 diagonal lines to form a triangle with exterior angles. The top angle of the triangle is (2 x + 10) degrees. The bottom right angle of the triangle is 79 degrees. The exterior angle to the bottom left angle is (6 x + 1) degrees.

Question illustration
A
x = 2.25
B
x = 11.25
C
x = 13
D
x = 22
22
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Triangle A B C is shown. Lines are drawn from each point to the opposite side and intersect at point D. They form line segments A G, B E, and C F.

Question illustration
A
BE, CF, and AG are angle bisectors.
B
BE ⊥ AC, AG ⊥ BC, and CF ⊥ AB.
C
BE bisects AC, CF bisects AB, and AG bisects BC.
D
BE is a perpendicular bisector of AC, CF is a perpendicular bisector of AB, and AG is a perpendicular bisector of BC.
23

In the triangles, and .

Question illustration
A
congruent to
B
longer than
C
shorter than
D
the same length as
24

Consider triangle WXY.

Question illustration
A
Angle W is greater than angle Y.
B
Angle Y is the largest angle.
C
Angle X is smaller than angle W.
D
Angle W is the smallest angle.
25

Triangle SQT is isosceles. The measure of angle STQ is 48°.

Question illustration
A
24°
B
38°
C
48°
D
76°
26

Consider the triangle.

Question illustration
A
angle A, angle B, angle C
B
angle B, angle A, angle C
C
angle B, angle C, angle A
D
angle C, angle A, angle B
27

Based on the given angle measures, which triangle has side length measures that could be correct?

A
A right triangle is shown. The length of the hypotenuse is 16, the base is 8, and the other side is 13.9. The top angle is 60 degrees and the bottom right angle is 30 degrees.
Option A
B
A right triangle is shown. The length of the hypotenuse is 13.9, the base is 8, and the other side is 16. The top angle is 60 degrees and the bottom right angle is 30 degrees.
Option B
C
A right triangle is shown. The length of the hypotenuse is 13.9, the base is 16, and the other side is 8. The top angle is 60 degrees and the bottom right angle is 30 degrees.
Option C
D
A right triangle is shown. The length of the hypotenuse is 16, the base is 13.9, and the other side is 8. The top angle is 60 degrees and the bottom right angle is 30 degrees.
Option D
28

Triangle N P O is shown. Line O N extends through point M to form exterior angle P N M. Angle N P O is 38 degrees. Angle P O N is 39 degrees. Exterior angle P N M is x degrees.

Question illustration
A
x > 38
B
x < 39
C
x < 77
D
x > 103
29

A triangle with exterior angles is shown. A horizontal line intersects with a diagonal line. Another line connects the horizontal line to the diagonal line to form a triangle. The exterior angle at the top left of the triangle is 130 degrees. The exterior angle at the top right of the triangle is x degrees. The exterior angle at the bottom of the triangle is 134 degrees.

Question illustration
A
84
B
96
C
132
D
264
30

In the triangles, XY = MP and YZ = PN.

Question illustration
A
mY = 80°
Option A
B
mY = 85°
Option B
C
mY = 100°
Option C
D
mY = 180°
Option D
31

Which statements are true regarding the sides and angles of the triangle? Select three options.

A
is the longest side.
Option A
B
Angle X is the largest angle.
C
Angle Z is greater than angle Y.
D
is opposite the largest angle.
Option D
E
is the shortest side.
Option E
32

Consider the two triangles.

Question illustration
A
By the converse of the hinge theorem, mC = mS.
Option A
B
By the hinge theorem,TS > AC.
C
By the converse of the hinge theorem, mS > mC.
Option C
D
By the hinge theorem, BA = RT.
33

Given: Lines y and z are parallel, and ABC forms a triangle.Prove: m∠5 + m∠2 + m∠6 = 180° Statements Reasons1.ABC is a triangle1.given2.y ∥ z2.given3.∠1 ≅ ∠5; ∠3 ≅ ∠63.?4.m∠1 = m∠5; m∠3 = m∠64.def. ≅5.m∠1 + m∠2 + m∠3 = m∠LAM5.∠ addition postulate6.m∠1 + m∠2 + m∠3 = 180°6.def. straight angle7.m∠5 + m∠2 + m∠6 = 180°7.substitutionWhich could be the missing reason in Step 3?

Question illustration
A
alternate interior angles are congruent
B
alternate exterior angles are congruent
C
vertical angles are congruent
D
corresponding angles are congruent
34

A triangle is shown with a line extending from the bottom left point

Question illustration
A
An exterior angle is supplementary to the adjacent interior angle.
B
An adjacent interior angle is supplementary to a remote interior angle.
C
A remote interior angle is congruent to the exterior angle.
D
An exterior angle is supplementary to a remote interior angle.

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