Practice Page
Directions: Grab a paper and pencil to make your computations.

1.
Which set of numbers could be the lengths of the sides of a triangle?
Choose:
{6, 9, 15}
{6, 9, 12}
{3, 3, 7}
{1, 2, 3}

 

 

2.
Three trees are planted. The direct distance from tree A to tree B is 200 feet. The direct distance from tree B to tree C is 300 feet. Which of the choices could be the direct distance from tree A to tree C?
 
Choose:
650 feet
550 feet
350 feet
50 feet

 

 

3.
In ΔABC, AB = 5 inches and BC = 3 inches. Which of the choices represents all possible values for AC, in inches?
Choose:
in3
in4
in2
in1

 

 

4.
In ΔDOG, point C lies on the side of the triangle between points D and O.
DG = 5, GO = 12, and DC = 3.
Which choice is a possible value for CO?
Choose:
4
11
14
15
inpic1

 

 

5.
Triangle TAB has a perimeter of 40 cm. Could the measures of the sides, as shown, actually represent the measures of the sides of a triangle?
Choose:
Yes
No
inpic2

 

 

6.
Two sides of an isosceles triangle measure 4 and 8. Which of the following choices could be the measure of the third side?
Choose:
10
8
6
4

 

 

7.
In ΔGAB, m∠G = 35º and m∠A = 52º. Which side of the triangle is the longest side?
Choose:
InGA
InAB
 InGB

 

 

8.
In ΔCAT, an exterior angle at vertex C measures 135º,
and m∠T = 49º. Which side of the triangle is the longest side?
Choose:
InCA
InAT
 InCT

 

 

9.
∠BCD is an exterior angle of ΔABC. Which of the following statements is NOT always true?
Choose:
m∠BCD > m∠B
m∠BCD > m∠A
m∠BCD > m∠ACD m∠BCD = m∠A + m∠B
 

 

 

10.
In ΔABC, AB = 4x + 2, BC = 5x - 3, and AC = 2x + 4. The perimeter of the triangle is 36 units. Which angle in the triangle has the largest measure?
Choose:
∠A
∠B
 ∠C

 


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