GRE-Math-Questions-to-Know-by-Test-Day-2nd-Edition_pag146

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Multiple-Choice Questions with One or More Correct Answers ‹ 137
 452. Which of the following can be the measures of the three angles of a triangle? 
Indicate all such measures.
 (A) ° ° °55 , 45 , 90 
 (B) ° ° °20 , 100 , 60 
 (C) ° ° °30 , 40 , 110 
 (D) ° ° °60 , 45 , 90 
 (E) ° ° °35 , 125 , 10 
 453. If two interior angles of a pentagon are °100 and °120 , which could be the 
measures of the other three interior angles of the pentagon? Indicate all 
such measures.
 (A) ° ° °155 , 75 , 90 
 (B) ° ° °200 , 60 , 60 
 (C) ° ° °230 , 140 , 170 
 (D) ° ° °100 , 40 , 180 
 (E) ° ° °135 , 125 , 70 
 454. Which of the following could be the measure of each of the interior angles 
of a regular polygon? Indicate all such measures.
 (A) °75 
 (B) °90 
 (C) °100 
 (D) °128 
 (E) °240 
 455. Each of the exterior angles of regular polygons P1, P2, P3, P4, and P5 measures 
30°, 45°, 60°, 90°, and 120°, respectively. Which of the following could be the 
corresponding number of sides of the five polygons? Indicate all that apply.
 (A) 3
 (B) 4
 (C) 5
 (D) 6
 (E) 8
 (F) 12 
 456. Which of the following statements about parallelogram ABCD, with diago-
nals AC and DB, must always be true? Indicate all such statements.
 (A) CBA ADC 
 (B) ∠ ≅ ∠A B 
 (C) ⊥AC DB 
 (D) ∠ = ∠m CAB m ACD 
 (E) ≅AC DB 
 (F) AC and DB bisect each other. 
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