12 10 Review Sheet

advertisement
Name: ________________________________
Review Sheet: Angles and Triangles
Date: _____________________
Class: Pre-Algebra 7
Multiple Choice: Circle the letter that best answers the question or completes the sentence.
1
Which two angles in the triangle below are
complementary?
5
In the diagram below, line segment l and line
segment m intersect at the center of the circle.
What is the measure of  x?
A
B
2
In the diagram below, line AB and line CD
intersect at point P.
6
3
Which angle of the following triangle is
the smallest?
C
D
137 º
143 º
The angles shown below are supplementary. The
measure of  PQR is 2x.
What expression represents the measure of
 STU?
A 90 – 2x
C 180 – 2x
B 90 + 2x
D 180 + 2x
Name the angle that is always congruent to
APD .
Answer ________________________
120º
133 º
An angle was drawn below.
7
What is the vertex of angle MAP?
Answer ________________________
A
C
U
B
B M
D cannot be
An angle was drawn below.
8
determined
4
Which one of the following sets of
numbers could represent the lengths of the
sides of an isosceles triangle?
A {6,6,10}
C {15,5,10}
B {3,4,5}
D {1,2,3}
Name the angle in 4 different ways.
Answer
____________,
____________,
____________,
____________,
Short Response: Read each question carefully and answer each question below.
In the diagram below, right angle ACB is intersected by DE . What are the measures of  DCB,  BCE, and
9
 ACE?
Show your work.
Answer
 DCB
degrees
 BCE
degrees
 ACE
degrees
Brett drew the four angles shown below.
10
Part A
Which pairs of angles are complementary?
_____________________________________
Which pairs of angles of supplementary?
_____________________________________
Part B
On the lines below, explain how you determined your answers.
11
Matt received a new protractor for his birthday and immediately drew the following five angles. For each angle
classification listed, match it with the angle drawn.
Reflex 
Obtuse 
Acute 
Right 
Straight 
Extended Response: Read each question carefully and show all your work in the space provided.
13 Using the diagram below, find d.
12 Solve for x in the diagram below. Then,
state the measure of the larger angle.
Show all work.
Show all work.
Answer ___________degrees
Gabrielle angles her pool cue against the edge of her pool, as shown below.
14
What is the measure of  A ?
Show all work.
Answer mA = ___________degrees
Answer d =___________
What is the measure of the exterior angle?
15
Show all work.
Answer mACD ____________________degrees
Download