Practice Page
Directions: Grab a paper and pencil to draw diagrams. Beware! The assistants may, or may not, be giving you correct answers!
1.
Find m∠C.

Choose:
15º
25º
45º
65º
stprac1a

 

 

2.
In ΔABC, m∠A = 53º and m∠B = 32º. What type of triangle is ΔABC?

Choose:
acute
right
obtuse
acute and isosceles
ATPrac2

 

 

3.
a) Find m∠1.
Choose:
54º
65º
67º
71º

b) Find m∠2.
Choose:
92º
105º
109º
115º

c) Find m∠Q.
Choose:
44º
65º
115º
136º

strat3a

 

 

4.
The angles in a triangle are in the ratio of
1 : 3 : 5. Find the number of degrees in the largest angle.

Choose:
20º
60º
80º
100º
ATPrac1

 

 

5.
In the diagram at the right,
m∠B = 90º, m∠DAB = 72º, and m∠CAB = 55º.
Find m∠ADC.
Choose:
18º
28º
35º
55º
triangle5

 

 

6.
Which of the following values could represent the lengths of the sides of a triangle?

Choose:
1, 2, 3
6, 8, 15
5, 7, 9
8, 8, 16
ATprac3a

 

 

7.
Find x.
Assume straight lines from E to A and from D to B.

Choose:
15
25
35
  
45
  
triangle7

 

 

8.
If the measures of the angles of a triangle are represented by 7a + 15, 3a - 15, and 2a, then the triangle is

Choose:
acute.
isosceles.
right.
equiangular.
atprac6

 

 

9.
Jocelyn has a diagram of ΔABC where the m∠ABC = 90º, m∠ACB = 44º, and m∠CBE = 32º.
Find m∠AEB.

Choose:
58º
76º
104º
114º
atprac7

 

 

10.
Mr. Kaplan is showing you ΔACD where atmathpar1 and
m∠DBE = m∠DBC.
If m∠EBA = 48º, find m∠DBC.

Choose:
52º
42º
24º
66º
atprac8

 

 

11.
Kayla has ΔACE with segments from E to B and from F to C as shown.
The m∠AEB = 28º, m∠ACF = 32º,
and m∠FDB = 131º.
Find m∠A.

Choose:
120º
99º
81º 71º
atprac9

 

 

12.
Cho has the diagram at the right.
m∠BAE = 28º, m∠ECB = 30º
and m∠ABC = 68º.
Find m∠AEC.
Choose:
98º
 126º
150º 166º
atprac10



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